Literature DB >> 32160934

Incidence and general hospital costs of self-harm across England: estimates based on the multicentre study of self-harm.

Apostolos Tsiachristas1, Galit Geulayov2, Deborah Casey2, Jennifer Ness3, Keith Waters3, Caroline Clements4, Nav Kapur4,5, David McDaid6, Fiona Brand2,7, Keith Hawton2,7.   

Abstract

AIMS: The aim of this study was to estimate incidence of self-harm presentations to hospitals and their associated hospital costs across England.
METHODS: We used individual patient data from the Multicentre Study of Self-harm in England of all self-harm presentations to the emergency departments of five general hospitals in Oxford, Manchester and Derby in 2013. We also obtained cost data for each self-harm presentation from the hospitals in Oxford and Derby, as well as population and geographical estimates from the Office for National Statistics. First, we estimated the rate of self-harm presentations by age and gender in the Multicentre Study and multiplied this with the respective populations to estimate the number of self-harm presentations by age and gender for each local Clinical Commissioning Group (CCG) area in England. Second, we performed a regression analysis on the cost data from Oxford and Derby to predict the hospital costs of self-harm in Manchester by age, gender, receipt of psychosocial assessment, hospital admission and type of self-harm. Third, the mean hospital cost per age year and gender were combined with the respective number of self-harm presentations to estimate the total hospital costs for each CCG in England. Sensitivity analysis was performed to address uncertainty in the results due to the extrapolation of self-harm incidence and cost from the Multicentre Study to England.
RESULTS: There were 228 075 estimated self-harm presentations (61% were female) by 159 857 patients in 2013 in England. The largest proportions of self-harm presentations were in the age group 40-49 years (30%) for men and 19-29 years (28%) for women. Associated hospital costs were approximately £128.6 (95% CI 117.8-140.9) million in 2013. The estimated incidence of self-harm and associated hospital costs were lower in the majority of English coastal areas compared to inland regions but the highest costs were in Greater London. Costs were also higher in more socio-economically deprived areas of the country compared with areas that are more affluent. The sensitivity analyses provided similar results.
CONCLUSIONS: The results of this study highlight the extent, hospital costs and distribution of self-harm presentations to hospitals in England and identify potential sub-populations that might benefit from targeted actions to help prevent self-harm and assist those who have self-harmed. They can support national as well as local health stakeholders in allocating funds and prioritising interventions in areas with the greatest need for preventing and managing self-harm.

Entities:  

Keywords:  Economic issues; emergency departments; health economics; incidence; suicide

Mesh:

Year:  2020        PMID: 32160934      PMCID: PMC7214546          DOI: 10.1017/S2045796020000189

Source DB:  PubMed          Journal:  Epidemiol Psychiatr Sci        ISSN: 2045-7960            Impact factor:   6.892


Introduction

Self-harm, increasingly acknowledged as a major public health concern (Borschmann et al., 2018; Pilling et al., 2018; The Lancet Public, 2018; Ayre et al., 2019), is a key area in the national suicide prevention strategies of many countries and is a priority area in the Mental Health Gap Action Programme produced by the World Health Organization (World Health Organization, 2008). People who self-harm are at elevated risk of premature death (Hawton et al., 2006; Bergen et al., 2012; Carr et al., 2017), especially by suicide (i.e. death by intentional self-harm) (Bergen et al., 2012; Carroll et al., 2014; Olfson et al., 2018), and poor mental health, including depression and substance abuse (Da Cruz et al., 2011; Mars et al., 2014; Borschmann et al., 2017). In England, prevention of self-harm and suicide is a priority area in public health policy, being the focus of national strategy and clinical guidelines (NICE, 2011; UK Government, 2012, 2019). It was highlighted as a key issue in its own right when the national suicide prevention strategy in England was updated in 2017 and its prevention was recognised as fundamental priority for all organisations involved in delivering the strategy (HM Government, 2019). Furthermore, the first ever Minister of Mental Health, Inequalities and Suicide Prevention was appointed in 2018 along with increased funding for suicide prevention (GOV.UK, 2018). In a series of policy initiatives, local NHS organisations and local government have been asked to draw up joint plans, according to guidelines from Public Health England, to reduce suicide by 10% in 2020 (Appleby et al., 2017; NHS England, 2018). Although suicide rates are strongly related to self-harm rates (Geulayov et al., 2018), hospital management of self-harm remains variable across the country and there has until recently been little sign of service improvement over time (Cooper et al., 2013). Although the overall incidence of self-harm in England has been estimated previously (Hawton et al., 2007; Geulayov et al., 2016), little is known about its distribution across England. The only available nationwide estimates of self-harm incidence at local level are reported by Public Health England based on hospital admissions, which underestimate the scale of the problem (Clements et al., 2016; Public Health England, date accessed 27/02/2018). Besides the impact on population health, self-harm has considerable implications for healthcare costs, including costs of medical, psychiatric and social care (Sinclair et al., 2011). A recent UK study based on a single centre estimated hospital costs to be on average £809 per self-harm presentation, with an approximate extrapolation to England of an impact on the NHS budget of approximately £162 million each year (Tsiachristas et al., 2017). This is a concerning figure for local health service commissioners, which increasingly face budget constraints and pressure to improve efficiency in healthcare organisation and delivery. Estimating the incidence of self-harm presentations to hospitals and the associated hospital costs at a local level is key for designing services for individuals who self-harm and in planning hospital budgets. The aim of this study was to estimate the incidence of self-harm presentations to hospitals at both local and national levels and the associated hospital costs across England.

Methods

Study setting and primary data

The data were collected as part of the Multicentre Study of Self-harm in England. The three centres in the study have been collecting comprehensive data on hospital presentations for self-harm for many years, using similar methodology. The Multicentre Study of Self-harm in England was established early this century in order to provide more representative data on self-harm than each individual centre could provide. In this respect the three cities have a broad geographical distribution, with Oxford in South-East England, Derby in the East-Midlands and Manchester in North-West England. Oxford, Manchester and Derby also have distinctly different profiles in terms of the extent of socio-economic deprivation of their individual catchment areas. Based on the 2015 ratings of the Index of Multiple Deprivation scores for England, which range from 1 (worst) to 209 (best) across England, Manchester was ranked 5 (worst), Derby 55 and Oxford 166 (Department for Communities and Local Government, 2015). While this does not entirely ensure that the study is fully representative of England as a whole, it means that the data on self-harm are far more representative than those from single centres. The provision of mental health care in general hospitals in England is mainly limited to that focussed on general medical patients with mental health problems and patients who present following self-harm. This includes both care while patients are in hospital and coordinating care after hospital discharge, such as psychological support (e.g. for cancer patients). The overall provision of mental health-related care is funded through general government funds allocated to NHS England. With regards to self-harm, the National Institute for Health and Care Excellence (NICE) recommends provision of a psycho-social assessment for all patients who present with self-harm to the emergency departments of general hospitals (NICE, 2011). This assessment is conducted by a member of the hospital mental health team and is focussed on assessing patients' problems, needs and risks to determine their subsequent care after leaving hospital. As other specialised mental health care is generally provided by separate community and other mental health teams and is therefore not part of our study. Since there are virtually no emergency departments in private hospitals in England, the cost of self-harm in private hospitals was not included in our study. Adopting the working definition of the Multicentre Study of Self-harm in England, which is used nationally in England (NICE, 2011), self-harm was defined as intentional self-injury or self-poisoning, irrespective of type of motivation or degree of suicidal intent. Self-poisoning was defined as the intentional self-administration of more than the prescribed or recommended dose of any drug (e.g. analgesics, antidepressants), and includes poisoning with non-ingestible substances (e.g. household bleach), overdoses of ‘recreational drugs’ and severe alcohol intoxication where clinical staff consider such cases to be acts of self-harm. Self-injury was defined as any injury that has been deliberately self-inflicted (e.g. self-cutting, jumping from height). Identification of cases was determined by clinical and research staff using these criteria. The data included individual patient level data for all self-harm presentations to the emergency departments of five general hospitals (one in Oxford, three in Manchester and one in Derby) between 1 April 2013 and 31 March 2014. The information collected included: overall self-harm method (i.e. self-poisoning, self-injury, both), specific self-harm method (e.g. cutting, poisoning by specific drugs), hospital admission and patient socio-demographic characteristics (i.e. age, gender and ethnicity). It also included the provision of psychosocial assessment. We also obtained the actual hospital cost (i.e. direct and indirect costs of all hospital services) of each self-harm presentation in our dataset (i.e. in 2013/14 fiscal year) from the finance departments of the hospitals in Oxford and Derby. Mid-year 2013 population estimates for the study catchment areas by single year of age and gender, as well as suicide rates and proportion of the catchment area populations living in rural areas were retrieved at Clinical Commissioning Group level from the Office for National Statistics (ONS). Data on the Market Forces Factor (an index that adjusts price differences across the country) in Oxford, Manchester and Derby were retrieved from NHS England.

Approximating the incidence of self-harm presentations to hospitals across England

The number of self-harm presentations was divided by the total population in the catchment area of the three centres of the Multicentre Study for single age years and gender to estimate the rate of self-harm presentation to hospital by age and gender in 2013. This rate was multiplied by the population per age year and gender in each local health service commissioning area (known as Clinical Commissioning Groups – CCGs) in England to estimate the number of self-harm presentations in each CCG nationally by age and gender. The total number of self-harm presentations per CCG area in England was calculated by summing all self-harm presentations by age and gender.

Exploring heterogeneity in hospital costs in the multicentre study

Heterogeneity in costs among hospitals may be explained by patient case-mix (i.e. hospitals provide medical services to patients of different severity and medical needs), mix and quality of services provided (i.e. hospitals may provide services differently for the same need for care and their quality may vary) and production constraints (i.e. hospitals may have different prices for capital and labour inputs) (Street et al., 2010). We explored differences in patient case-mix between the three centres in terms of patient socio-demographic characteristics, overall and specific methods of self-harm and number of self-harm presentations during the study period. For this purpose, descriptive statistical analysis (i.e. frequencies, measures of central tendency and variability) was performed and differences between the three centres were tested with ANOVA and Kruskal−Wallis for continuous variables and chi-squares for categorical variables. In a subgroup descriptive analysis, we additionally compared the occupational status of those patients who had received psychosocial assessment between the three centres. Furthermore, we explored the variation in provided services (i.e. hospital admission and provision of psychosocial assessment) across the three centres using a descriptive statistical analysis. Mixed-Effects Generalised Linear Models were specified to estimate odds ratios for hospital admission and provision of psychosocial assessment adjusted for patient case-mix in order to explore differences in quality of care for self-harm between the three centres. Production constraints were accounted in our study by using the Market Forces Factor to adjust for unavoidable and location-specific cost differences (e.g. differences in land, buildings and staff costs) between the hospitals included in the Multicentre Study.

Estimating hospital costs of self-harm across England

Hospital cost data from Derby did not include the costs of psychosocial assessment. Therefore, we added £392 for patients younger than 18 years and £228 for adult patients to the hospital costs of those patients who had received psychosocial assessment in Derby. These unit costs were published recently and were close to the national average costs of psychosocial assessment reported by the National Institute for Health and Care Excellence (NICE) (Tsiachristas et al., 2017). Furthermore, hospital cost data for each self-harm presentation in Oxford and Derby were regressed by gender, age, receipt of psychosocial assessment, hospital admission and general type of self-harm using a generalised linear model with Gamma distribution, log link and standard errors adjusted for clustering of episodes in patients. The coefficients of this regression analysis were fitted to the data from Manchester to estimate the hospital costs of self-harm presentations in Manchester after adjusting further for the Market Forces Factors. Using the hospital cost of all self-harm presentations in the dataset, we then calculated the mean hospital costs per self-harm presentation by age year and gender. The total costs of self-harm in each CCG area in England were then estimated by multiplying the estimated mean hospital costs per self-harm episode by age and gender with the estimated number of self-harm episodes in each CCG by gender and age.

Sensitivity analysis

Monte-Carlo simulation with 10 000 iterations was performed using the regression coefficients and standard errors from the generalised linear model to address the uncertainty in the results caused by predicting the hospital costs of self-harm presentations in Manchester. The uncertainty based on the simulation was displayed as 95% confidence intervals of the estimated hospitals costs across England. Furthermore, two univariate sensitivity analyses were performed to address the uncertainty in the national estimates of self-harm incidence and related hospital costs from the extrapolation of the Multicentre study. In the first, we used gender-specific and age standardised rates of suicide in each CCG between 2012 and 2014 to adjust the estimated number of self-harm presentations. To do this, we multiplied the estimated number of self-harm presentations by an adjustment factor. The suicide adjustment factor (by gender) was calculated by dividing the age standardised suicide rate in each CCG area by the average age standardised suicide rate in the three centres of the Multicentre Study. The underlying assumption for performing this sensitivity analysis was that suicide (i.e. death by intentional self-harm) and self-harm have common risk factors (Hawton et al., 2012) and there is evidence showing a strong positive relationship between rates of self-harm and suicide (Geulayov et al., 2018). Given that the method used to estimate the incidence of self-harm in the present study was based on data from largely urban areas in the Multicentre Study, a second univariate sensitivity analysis was performed by adjusting the estimated number of self-harm presentations in each CCG based on the rural/urban classification. For this, we used a rurality adjustment factor (by gender) for each CCG to account for approximately 31% lower self-harm presentations in males and 26% in females in rural areas compared with urban areas in England (Harriss and Hawton, 2011).

Role of the funding source

The funder of the study reviewed the study proposal, awarded funding and monitored the conduct of the study. The funders had no role in study design, data collection, data analysis, data interpretation or writing of the manuscript. The corresponding author had full access to all the data in the study and had final responsibility for the decision to submit for publication.

Results

The results in panel A of Table 1 show that the sample in Manchester included proportionally fewer patients younger than 20 years (2 percentage points) and less females (5 percentage points) compared to the other two settings, while there were proportionally more patients of White ethnicity in Oxford (10 percentage points) compared to Manchester and Derby. The percentage of people having two or more self-harm repetitions in 2013 was higher in Derby (9%) followed by Oxford (7%) and Manchester (6%). Among the three centres, the proportion of episodes of self-harm involving self-poisoning alone ranged from 63% in Manchester to 76% in Derby, the proportion in which cutting was the method of self-injury ranged from 65% in Oxford to 80% in Derby, the proportion of self-poisoning episodes involving paracetamol or paracetamol-containing compounds ranged from 27% in Manchester to 33% in Derby (panel B of Table 1). The proportion of self-harm episodes in which a psychosocial assessment was conducted ranged from 50% in Manchester to 73% in Oxford, while admissions to hospitals ranged from 37% of episodes in Manchester to 78% in Oxford. The rate of self-harm presentations per 1000 population was highest in Manchester, except for the age groups 19–29 years, 30–39 years and 60–69 years where it was highest in Derby (panel C of Table 1). More detailed information about the variation in patient case-mix, service provision, self-harm rates and Market Force Factors between the three centres is provided in Appendices 1–5.
Table 1.

Variation in patients and self-harm episodes across the three centres of the multicentre study

VariableOxfordManchesterDerby
Panel A: Patient characteristics at first self-harm episode
n (% of 1150)n (% of 3018)n (% of 1548)
Age (years)***
<18171 (15)381 (13)216 (14)
18–1980 (7)196 (7)116 (8)
20–29335 (29)946 (31)416 (27)
30–39190 (17)615 (20)273 (18)
40–49188 (16)499 (17)312 (20)
50–59111 (10)265 (9)131 (9)
60–6947 (4)65 (2)54 (3)
70 and older27 (2)45 (2)30 (2)
Missing1 (0)6 (0)0 (0)
Sex ***
Male446 (39)1326 (44)606 (39)
Female704 (61)1692 (56)942 (61)
Ethnicity***
White1006 (87)2313 (77)1196 (77)
Black19 (2)69 (2)14 (1)
Asian33 (3)134 (4)30 (2)
Other52 (5)216 (7)49 (3)
Missing40 (3)286 (10)259 (17)
Number of self-harm repetitions*
0944 (82)2500 (83)1240 (80)
1123 (11)327 (11)175 (11)
233 (3)91 (3)73 (5)
>250 (4)100 (3)60 (4)
Panel B: Type of self-harm and services provided at all self-harm episodes
Type of self-harm***n = 1664n = 4078n = 2208
Self-poisoning alone1155 (69)2573 (63)1673 (76)
Self-injury alone395 (24)1266 (31)433 (20)
Both self-poisoning & self-injury114 (7)239 (6)102 (4)
Self-injury method***n = 508n = 1505n = 524
Cutting/stabbing332 (65)1024 (68)422 (80)
Jump from height11 (2)33 (2)8 (2)
Hanging/asphyxiation45 (9)162 (11)45 (9)
Traffic related5 (1)47 (3)3 (1)
Other method#115 (23)239 (16)46 (9)
Self-poisoningn = 963n = 2029n = 226
Paracetamol214 (22)431 (21)376 (27)
Paracetamol compound57 (6)124 (6)76 (6)
Antidepressants139 (14)249 (12)149 (11)
Benzodiazepines46 (5)87 (4)68 (3)
Major tranquilisers26 (3)65 (3)46 (3)
Other338 (35)741 (37)440 (32)
Multiple drug groups143 (15)332 (16)226 (16)
Received psychosocial assessment***n = 1664n = 4078n = 2208
No443 (27)2026 (50)731 (33)
Yes1221 (73)2052 (50)1475 (67)
Missing0 (0)0 (0)2 (0)
Admitted to hospital***n = 1664n = 4078n = 2208
No360 (22)2352 (58)921 (42)
Yes1300 (78)1489 (37)1211 (55)
Missing4 (0)237 (6)76 (3)
Panel C: Self-harm rate per 1000 population
Age
10–184.977.987.00
19–296.277.0210.70
30–393.816.826.89
40–494.259.157.26
50–592.225.044.02
60–690.981.281.87
70+0.610.880.50
Total3.616.295.98

*p-value < 0.05; **p-value < 0.01; ***p-value < 0.0001; # other methods include: drowning, gunshot, gas, head banging.

Variation in patients and self-harm episodes across the three centres of the multicentre study *p-value < 0.05; **p-value < 0.01; ***p-value < 0.0001; # other methods include: drowning, gunshot, gas, head banging. As Table 2 shows, there were an estimated 228 075 self-harm presentations (39% males and 61% females) by 159 857 patients in 2013 in England. The highest proportion of self-harm presentations among males was in the 40–49 year age group (30%), while for females the 19–29 year age group had the highest percentage of presentations (28%). Based on the two univariate sensitivity analyses, estimated self-harm presentations in England were 215 588 after adjusting for suicide rates and 225 172 after adjusting for rurality.
Table 2.

Estimated incidence of self-harm in England in 2013 by gender and age group

Age10–1819–2930–3940–4950–5960–6970+Total
Episodes
Males8911 (10%)19 950 (23%)16 782 (19%)26 218 (30%)10 654 (12%)3878 (4%)1644 (2%)88 038 (100%)
Females30 040 (21%)38 805 (28%)24 460 (17%)26 904 (19%)13 951 (10%)3602 (3%)2274 (2%)140 037 (100%)
Total38 951 (17%)58 756 (26%)41 242 (18%)53 123 (23%)24 605 (11%)7480 (3%)3918 (2%)228 075 (100%)
Patients
Males7487 (12%)15 629 (25%)12 491 (20%)14 978 (24%)7663 (12%)3180 (5%)1586 (3%)63 014 (100%)
Females22 418 (23%)23 929 (25%)16 210 (17%)18 553 (19%)10 343 (11%)3291 (3%)2099 (2%)96 843 (100%)
Total29 905 (19%)39 559 (25%)28 701 (18%)33 531 (21%)18 006 (11%)6470 (4%)3685 (2%)159 857 (100%)
Episodes (sensitivity analysis-suicide rate adjustment)
Males9233 (10%)20 670 (23%)17 387 (19%)27 164 (30%)11 038 (12%)4018 (4%)1703 (2%)91 213 (100%)
Females26 681 (21%)34 465 (28%)21 724 (17%)23 895 (19%)12 391 (10%)3199 (3%)2020 (2%)124 375 (100%)
Total35 913 (17%)55 135 (26%)39 111 (18%)51 059 (24%)23 429 (11%)7217 (3%)3723 (2%)215 588 (100%)
Episodes (sensitivity analysis-rural area adjustment)
Males8749 (10%)19 817 (23%)16 685 (19%)25 755 (30%)10 415 (12%)3762 (4%)1592 (2%)86 775 (100%)
Females29 575 (21%)38 633 (28%)24 302 (17%)26 474 (19%)13 687 (10%)3511 (3%)2218 (2%)138 397 (100%)
Total38 324 (17%)58 450 (26%)40 987 (18%)52 229 (23%)24 099 (11%)7273 (3%)3810 (2%)225 172 (100%)
Estimated incidence of self-harm in England in 2013 by gender and age group The estimated hospital cost of self-harm in England in 2013 was approximately £128.6 (95% CI 117.8−140.9) million. In absolute terms, the majority of costs were for episodes involving women and were greatest in the Midlands and East regions (Table 3). The total hospital costs of self-harm reduced to £121.6 (95% CI 111.6−133.4) million or £127 (95% CI 116.4−139.7) million after independently adjusting for suicide rates and rurality, respectively, and assuming that the representativeness of the patients recorded in the Multicentre Study of Self-harm to all patients who self-harmed in England in the same period was not perfect.
Table 3.

Hospital cost of self-harm across large geographic areas in England (£, 2013)

MalesFemalesTotal
Mean (95% CI)Mean (95% CI)Mean (95% CI)
Main analysis
England49 559 150 (43 896 127 to 56 429 207)79 046 705 (70 310 153 to 89 561 701)128 605 855 (117 835 026 to 140 934 979)
North of England13 887 113 (12 303 350 to 15 805 226)22 301 908 (19 843 575 to 25 260 926)36 189 021 (33 162 982 to 39 653 206)
Midlands and East of England14 893 788 (13 193 223 to 16 957 069)23 776 299 (21 161 598 to 26 925 731)38 670 087 (35 442 360 to 42 360 185)
London8 189 719 (7 251 950 to 9 326 903)12 933 335 (11 470 902 to 14 688 055)21 123 054 (19 331 828 to 23 179 317)
South of England12 588 530 (11 149 072 to 14 336 034)20 035 163 (17 831 861 to 22 684 533)32 623 693 (29 894 968 to 35 745 008)
Sensitivity analysis-suicide rate adjustment
England51 388 469 (45 485 739 to 58 231 335)70 237 351 (62 504 833 to 79 697 099)121 625 820 (111 606 263 to 133 361 503)
North of England16 404 748 (14 524 117 to 18 586 623)20 697 182 (18 424 508 to 23 477 638)37 101 930 (34 065 729 to 40 658 786)
Midlands and East of England15 052 615 (13 327 277 to 17 055 894)19 248 590 (17 140 557 to 21 828 818)34 301 205 (31 492 938 to 37 593 516)
London8 196 243 (7 256 170 to 9 285 758)12 939 213 (11 486 205 to 14 715 577)21 135 456 (19 358 303 to 23 219 012)
South of England13 383 772 (11 848 737 to 15 170 634)20 571 587 (18 318 112 to 23 333 386)33 955 359 (31 155 554 to 37 244 280)
Sensitivity analysis-rural area adjustment
England49 040 989 (43 497 765 to 55 798 083)78 221 350 (69 455 479 to 88 833 331)127 262 339 (116 429 823 to 139 715 863)
North of England13 933 703 (12 359 729 to 15 851 916)22 331 294 (19 836 612 to 25 351 426)36 264 997 (33 188 797 to 39 811 304)
Midlands and East of England14 390 659 (12 763 144 to 16 373 060)23 087 662 (20 516 168 to 26 206 271)37 478 321 (34 304 814 to 41 130 411)
London8 721 310 (7 731 182 to 9 910 935)13 595 724 (12 037 830 to 15 485 045)22 317 035 (20 397 794 to 24 524 751)
South of England11 995 316 (10 636 940 to 13 652 368)19 206 671 (17 064 371 to 21 806 693)31 201 987 (28 557 106 to 34 245 763)
Hospital cost of self-harm across large geographic areas in England (£, 2013) Figure 1 presents the distribution of estimated self-harm presentations and associated hospital costs per 1000 population across local health authorities in England. As shown in the figure, the incidence of self-harm and associated hospital costs was relatively lower in the majority of coastal areas, higher in inland areas and highest in the greater London area. The estimated hospital costs by CCG in England are presented in Appendix 6.
Fig. 1.

Map of England with the estimated self-harm episodes and associated hospital cost per 1000 population in 2013.

Map of England with the estimated self-harm episodes and associated hospital cost per 1000 population in 2013.

Discussion

This study provides the first detailed estimates of self-harm presentations to hospitals and their associated hospital costs across England. The results of this study may assist national and local health decision makers in planning the distribution of funds for self-harm and prioritising interventions in areas with the highest need for tackling self-harm. Providing the incidence of self-harm presentations in each CCG by gender and age highlights sub-populations potentially where additional resources might be targeted to interventions that may prevent self-harm and assist those who have self-harmed, reducing therefore suicide deaths. Using our incidence estimates and considering that there were 4727 (3688 male and 1039 female) deaths by suicide in England in 2013 (Statistics, 2016), our results indicate that there were 48 (24 male and 135 female) self-harm presentations to hospitals per suicide and 34 (17 male and 93 female) patients presenting with self-harm per suicide. While these ratios may seem quite large, self-harm is the strongest factor associated with subsequent suicide (Hawton et al., 2015). Risk is also particularly high in the period shortly after self-harm (Hawton et al., 2019). Therefore, primary and secondary prevention interventions that focus on reducing self-harm presentations and on provision of effective aftercare for those who do self-harm may prevent subsequent deaths by suicide (Hawton et al., 2013; Carroll et al., 2016; Geulayov et al., 2018). This is in line with economic evidence that supports the provision of public health interventions (including psychological therapies) for self-harm and suicide prevention (McDaid et al., 2017; Campion and Knapp, 2018). However, effective implementation of self-harm and suicide prevention strategies at local level is challenging in terms of both deciding what initiatives may be effective and how to evaluate these (Saunders and Smith, 2016; Hawton and Pirkis, 2017). In England, Public Health England and CCGs also have to contend with many competing health issues. Moreover, strategies need to be implemented in partnership with multiple local health service providers, as well as the local government public health services. Compliance with national guidance is another challenge for policy makers and service commissioners. Most public health and healthcare decision making in England is made at a local level, leading to substantive variation in service delivery so that many patients still do not receive psychosocial assessment when presenting at hospital for self-harm (Geulayov et al., 2016). Our estimated incidence of self-harm presentations in England (i.e. 228 075) is close to previously reported more crude estimates of 200 000 episodes per year (Geulayov et al., 2016). This can be contrasted with much lower rates seen in Public Health England's ‘Fingertips’ database suggesting that this underestimates overall rates of self-harm by approximately 60% compared with rates based on the Multicentre Study (Clements et al., 2016). This is because Fingertips only includes self-harm episodes resulting in hospital admission based on Hospital Episodes Statistics data. It should be noted that our study has estimated only the incidence of self-harm presentations to hospitals; it is well recognised that much self-harm occurs in the community without presentation to hospital, especially among adolescents (Geulayov et al., 2018). We estimated the hospital cost of self-harm in England in 2013 to be approximately £128.6 million (£133.8 million in 2017 prices using an inflation rate of 1.04062 based on the Hospital and Community Health Services inflation index) (Curtis and Burns, 2017). This figure is lower than the roughly estimated £161.8 million per year cost of self-harm to NHS hospitals reported recently (Tsiachristas et al., 2017). It also seemed robust after performing two sensitivity analyses that accounted for the association of self-harm rates with suicide rates (Geulayov et al., 2016) and rural areas (Harriss and Hawton, 2011). The estimated costs in the Oxford CCG area in the present study was £1 565 464 and the total hospital cost of self-harm presentations to the John Radcliffe Hospital in Oxford was actually £1 280 394. These figures therefore provide us with confidence about the internal validity of our cost estimates considering that the difference is likely to be due to the costs of self-harm presentations to the Horton General Hospital, a much smaller hospital than the John Radcliffe, which is also contracted by the Oxfordshire CCG. An additional reassurance for the robustness of our estimated incidence and costs is that the five hospitals included in the Multicentre Study cover populations with a wide range of socio-economic deprivation e.g. 5 in Manchester, 55 in Derby and 166 in Oxford (IMD score range: 1 most deprived to 209 most affluent) (Department for Communities and Local Government, 2015). This variation is reassuring considering that socio-economic deprivation is associated with self-harm and suicide (Hawton et al., 2001). While detailed estimates of the costs of all cases of self-harm have been made for a single hospital (Tsiachristas et al., 2017), this study is to our knowledge the only detailed analysis, applying a consistent methodology to estimate national self-harm costs by documenting care trajectories and measuring actual resource utilisation for all self-harm treatment costs, broken down by age, gender and means of self-harm, across multiple general hospital sites in different areas of England. A recent evaluation of the extension of hours of a liaison psychiatry service in a hospital in the south-west of England reported mean costs per emergency department self-harm attendance, including liaison psychiatry service use and inpatient care were reduced from £784 to £700 (£777−£694 in 2013/14 prices), but unlike our analysis NHS reference costs rather than a detailed resource and costing exercise were used to estimate costs (Opmeer et al., 2017). No attempt was made to estimate costs at a wider geographical level. Other UK studies have concentrated on the costs of deliberate self-poisoning alone. In 2006/07 one-year costs, not including psychosocial assessment, of 1598 deliberate self-poisonings (aged >16 years) presenting to a general hospital in Nottingham were estimated using NHS reference costs to be £1.64 million or £1026 per poisoning; the authors noted that if repeated across England costs per annum would be much higher than our estimate for all self-harm costs at approximately £170 million (£192 million at 2013/14 prices) (Prescott et al., 2009). UK-wide costs for emergency department presenting paracetamol poisonings following the impact of a change in national guidelines on presentations at three hospitals in Edinburgh, Newcastle and London were estimated to be £48.3 million (£49.7 at 2013/14 prices), again using English NHS tariffs rather than measuring costs (Bateman et al., 2014). Some much older English studies also compared the costs of treating self-poisoning, including psychosocial assessment, across multiple general hospitals over periods of up to five months in the late 1990s; they highlighted substantive variations in costs in part due to type of poisoning as well as differences in care pathways (Kapur et al., 1999, 1999, 2002), estimating England wide costs of £56 million (£90 million at 2013/14 prices) (Kapur et al., 2003). Information making use of the total costs of hospital presenting self-harm to estimate national costs in other high-income countries has also been limited, although access to administrative datasets linked to health insurance records in some countries potentially would allow for more detailed estimates to be produced. Data from the 2006 US Nationwide Emergency Data Sample was used to identify presentations by individuals aged 65 years and over to emergency departments, as well as hospitalisations and hospital charges (Carter and Reymann, 2014). This resulted in an estimate of almost 22 500 presentations per annum nationwide with total charges of $354 million. Other US studies have also estimated the costs of self-harm for specific population groups or for specific types of self-harm at state or national levels make use of various administrative/billing datasets. None looked at costs for all intentional self-harm (White et al., 2013; Ballard et al., 2015; Jiang et al., 2017). Similarly, in Australia, cost estimates have only been made for young people, with costs between 2002 and 2012 for all children aged ⩽16 years identified through the National Hospital Morbidity Database as being hospitalised for intentional self-harm estimated to be $A 64 million (£34.5 million in 2013/14 prices). In this case neither annual costs nor detailed data for different injuries were reported (Mitchell et al., 2018). In Japan standard healthcare tariffs were combined with nationwide acute hospital discharge data to estimate costs of 7.7 billion Yen (£39.8 million in 2013/24 prices) for all drug-poisonings in people aged over 12 years in 2008 (Okumura et al., 2012). This estimate did not distinguish between intentional and unintentional poisonings, nor did it include costs for patients who were not hospitalised. An in-depth analysis of costs for all patients presenting with intentional self-harm at two hospitals in Basel, Switzerland in 2003 generated mean cost of CHF 19 165; the authors also assumed nationwide costs of CHF 191 million (£112 million in 2013/24 prices), using a national conservative estimate of 10 000 hospital presenting self-harm events per annum, but noting the very limited information on self-harm rates in the country (Czernin et al., 2012). The strengths of this study include the precision of identification of self-harm presentations to general hospitals through the Multicentre Study, the use of hospital cost data for all episodes in Oxford and Derby, the advanced analytical approach to extrapolate self-harm incidence and hospital costs from the Multicentre Study to England, and the extensive sensitivity analyses to address the uncertainty in the results. The main study limitations are related to the available data and include: (a) the lack of hospital cost data in Manchester, (b) cost data being limited only to care received in general hospitals, which is only a part of the overall long-term costs of self-harm (Sinclair et al., 2011) and (c) that estimated self-harm incidence and hospital cost may have changed since 2013 due to changes in the incidence patterns (e.g. increase in incidence among young females) and services provision (e.g. there has recently been a considerable increase in provision of hospital services for self-harm patients on a 24 h seven day a week basis in England). Our analysis can help to identify specific population groups to support within localities and also draw more attention directly to self-harm when developing local suicide and self-harm prevention and reduction strategies. A key element of our approach has been to measure resource use and costs rather than simply use published health system charges, which usually do not reflect actual costs. This will also help in more accurate evaluation of the cost-effectiveness of any interventions that may reduce self-harm events. There is certainly a need to build on recent albeit relatively small-sized economic evaluations of actions to increase the use of psychosocial assessments (Opmeer et al., 2017) to help improve referral to appropriate care pathways, as well as economic evaluations of psychological and other follow-up care (O'Connor et al., 2017; Haga et al., 2018; Park et al., 2018). The potential economic benefits of effective interventions may also be greater than shown in these analyses, as there will be additional costs to the health sector, local government and other public agencies which may be averted by any reduction in future risk of both non-fatal and fatal self-harm events (Hawton et al., 2015). Although our analysis has focused on England we believe our approach could also in principle be adapted for use in the development of self-harm prevention strategies in other country contexts, particularly those where national administrative datasets that record hospital presenting self-harm are not available.

Data

Due to constraints on the data sharing permissions of the data in the Multicentre Study of Self-harm in England, we are not allowed to share the data for public use.

Variation in patient characteristics and clinical care by method of self-harm in the three study sites

VariableOxfordManchesterDerby
Self-poisoning aloneSelf-injury aloneBoth self-poisoning and self-injurySelf-poisoning aloneSelf-injury aloneBoth self-poisoning and self-injurySelf-poisoning aloneSelf-injury aloneBoth self-poisoning and self-injury
Age (years)***************
<18147 (13)33 (8)28 (25)259 (10)204 (16)33 (14)202 (12)89 (21)17 (17)
18–1964 (5)24 (6)7 (6)135 (5)79 (6)21 (9)107 (6)43 (10)7 (7)
20–29348 (30)167 (42)32 (28)750 (29)4459 (36)76 (32)459 (27)122 (28)43 (42)
30–39190 (16)60 (15)23 (20)542 (21)246 (36)46 (19)303 (18)56 (13)14 (14)
40–49236 (20)51 (13)11 (10)531 (21)176 (14)44 (18)362 (22)80 (18)9 (9)
50–59106 (9)43 (11)9 (8)247 (10)75 (6)16 (7)158 (9)28 (6)7 (7)
60–6942 (4)11 (3)2 (2)68 (3)12 (1)1 (0)52 (3)10 (2)4 (4)
70 and older21 (2)6 (2)2 (2)37 (1)13 (1)2 (1)30 (2)5 (1)1 (1)
Missing1 (0)0 (0)0 (0)4 (0)2 (0)0 (0)0 (0)0 (0)0 (0)
Sex******************
Male422 (37)126 (32)32 (28)1095 (43)575 (45)85 (36)625 (37)159 (37)41 (40)
Female733 (63)269 (68)82 (72)1478 (57)691 (55)154 (64)1048 (63)274 (63)61 (60)
Received psychosocial assessment******************
No225 (19)197 (50)21 (18)1232 (48)720 (57)74 (31)515 (31)182 (42)35 (33)
Yes930 (81)198 (50)93 (82)1341 (52)546 (43)165 (69)1157 (69)250 (58)68 (67)
Missing0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)1 (0)1 (0)0 (0)
Admitted to hospital***************************
No140 (12)202 (51)18 (16)1171 (46)1036 (82)145 (61)599 (36)280 (65)42 (41)
Yes1011 (88)193 (49)96 (84)1262 (49)139 (11)88 (37)1015 (61)139 (32)57 (56)
Missing4 (0)0 (0)0 (0)140 (5)91 (7)6 (2)59 (3)14 (3)3 (3)

*p-value < 0.05; **p-value < 0.01; ***p-value < 0.0001; # other methods include: drowning, gunshot, gas, head banging.

Variation in patient characteristics of those who received psychosocial assessment by site

VariableOxfordManchesterDerby
n (% of 894)n (% of 1647)n (% of 1087)
Age (years)***
<18143 (16)128 (8)197 (18)
18–1965 (7)116 (7)70 (6)
20–29235 (26)556 (34)260 (24)
30–39141 (16)342 (21)193 (18)
40–49154 (17)294 (18)206 (19)
50–5992 (10)149 (9)95 (9)
60–6938 (4)36 (2)42 (4)
70 and older26 (2)26 (2)24 (2)
Missing0 (0)0 (0)0 (0)
Sex***
Male346 (39)727 (44)406 (37)
Female548 (61)920 (56)681 (63)
Occupational status***
Unemployed/household219 (24)774 (47)367 (34)
Employed288 (32)407 (25)254 (23)
Disabled/retired152 (17)76 (5)51 (5)
Student188 (21)268 (16)227 (21)
Missing47 (5)122 (7)188 (17)
Ethnicity***
White789 (88)1398 (85)830 (77)
Black14 (2)42 (3)10 (1)
Asian28 (3)80 (5)22 (2)
Other44 (5)97 (6)35 (3)
Missing19 (2)30 (2)190 (17)
Number of self-harm repetitions
0748 (84)1460 (83)943 (82)
195 (11)186 (10)134 (11)
223 (2)51 (3)52 (4)
>228 (3)67 (4)40 (3)
Mean (s.d.) min−max nMean (s.d.) min−max nMean (s.d.) min−max n
Age34 (16) 12–97 89433 (14) 8–931 64733 (16) 10–931 087
IMDS***16 (11) 1–59 83840 (19) 2–801 57426 (16) 1–661 036
Number of repetitions0.33 (1.18) 0–19 8940.36 (1.22) 0–181 6470.36 (1.07) 0–171 087

*p-value < 0.05; **p-value < 0.01; ***p-value < 0.0001.

Variation in the provision of clinical care between the three study sites

VariableSelf-harm methodSelf-harm methodSelf-injury methodSelf-injury methodSelf-poisoning methodSelf-poisoning method
Model 1Model 2Model 3Model 4Model 5Model 6
Dependent: AssessedDependent: AdmittedDependent: AssessedDependent: AdmittedDependent: AssessedDependent: Admitted
OR (s.e.) p-value [95% CI]OR (s.e.) p-value [95% CI]OR (s.e.) p-value [95% CI]OR (s.e.) p-value [95% CI]OR (s.e.) p-value [95% CI]OR (s.e.) p-value [95% CI]
Site (ref: Oxford)
Manchester0.48 (0.05) <0.001 [0.39;0.59]0.15 (0.02) <0.001 [0.12;0.19]0.80 (0.15) 0.231 [0.55;1.16]0.12 (0.03) <0.001 [0.08;0.19]0.35 (0.05) <0.001 [0.26;0.46]0.14 (0.02) <0.001 [0.10;0.20]
Derby0.81 (0.08) 0.043 [0.66;0.99]0.25 (0.03) <0.001 [0.20;0.31]1.05 (0.20) 0.791 [0.72;1.53]0.40 (0.08) <0.001 [0.27;0.58]0.67 (0.09) 0.003 [0.52;0.87]0.21 (0.03) <0.001 [0.15;0.28]
Age (years)***1.01 (0.00) 0.005 [1.00;1.01]1.00 (0.00) 0.559 [1.00;1.01]1.01 (0.01) 0.040 [1.00;1.02]1.00 (0.01) 0.366 [1.00;1.01]1.00 (0.00) 0.156 [1.00;1.01]1.00 (0.00) 0.700 [1.00;1.01]
Female (ref: Male)0.96 (0.07) 0.588 [0.84;1.10]1.25 (0.09) 0.002 [1.09;1.43]0.65 (0.08) <0.001 [0.51;0.83]1.42 (0.2) 0.012 [1.08;1.86]1.10 (0.10) 0.282 [0.92;1.32]1.19 (0.11) 0.069 [0.99;1.42]
IMDS1.00 (0.00) 0.429 [0.99;1.00]0.99 (0.00) <0.001 [0.99;0.99]1.00 (0.00) 0.718 [0.99;1.01]0.99 (0.00) 0.007 [0.98;0.99]1.00 (0.00) 0.549 [0.99;1.00]0.99 (0.00) <0.001 [0.98;0.99]
Number of self-harm repetitions0.92 (0.02) 0.002 [0.87;0.97]1.00 (0.02) 0.858 [0.95;1.04]0.88 (0.04) 0.001 [0.81;0.95]0.96 (0.03) 0.194 [0.91;1.02]0.94 (0.02) 0.008 [0.90;0.98]0.99 (0.02) 0.588 [0.95;1.03]
Admitted to hospital (ref: Not-admitted)2.97 (0.23) <0.001 [2.56;3.45]4.16 (0.64) <0.001 [3.07;5.63]2.44 (0.25) <0.001 [2.00;2.98]
Received assessment (ref: Not assessed)2.93 (0.22) <0.001 [2.53;3.39]3.96 (0.61) <0.001 [2.93;5.35]2.51 (0.26) <0.001 [2.06;3.07]
Self-harm method (ref: Self-poisoning)
Self-injury0.79 (0.06) 0.003 [0.68;0.92]0.13 (0.01) <0.001 [0.11;0.16]
Both self-injury/poisoning1.82 (0.27) <0.001 [1.36;2.42]0.58 (0.08) <0.001 [0.44;0.77]
Self-injury method (ref: cut/stab)
Jump from height1.32 (0.56) 0.517 [0.57;3.03]1.74 (0.76) 0.206 [0.74;4.08]
Hanging/asphyxiation1.42 (0.28) 0.073 [0.97;2.08]1.19 (0.24) 0.403 [0.79;1.77]
Traffic related1.67 (0.70) 0.218 [0.74;3.80]2.03 (0.88) 0.102 [0.87;4.72]
Other method0.43 (0.07) <0.001 [0.31;0.59]1.90 (0.33) <0.001 [1.35;2.68]
Self-poisoning method (ref: Paracetamol)
Paracetamol compound1.20 (0.24) 0.377 [0.80;1.78]0.81 (0.17) 0.311 [0.54;1.21]
Antidepressants1.08 (0.17) 0.618 [0.79;1.47]0.76 (0.12) 0.081 [0.56;1.03]
Benzodiazepines0.46 (0.10) <0.001 [0.31;0.70]0.43 (1.00) <0.001 [0.28;0.67]
Major tranquilisers0.80 (0.19) 0.356 [0.49;1.29]0.73 (0.20) 0.255 [0.42;1.25]
Other0.78 (0.09) 0.035 [0.62;0.98]0.53 (0.07) <0.001 [0.42;0.67]
Multiple drug groups1.10 (0.16) 0.488 [0.83;1.46]1.29 (0.19) 0.088 [0.96;1.72]
Constant1.66 (0.24) <0.001 [1.25;2.21]4.64 (0.70) <0.001 [3.46;6.23]1.16 (0.29) 0.534 [0.72;1.87]0.52 (0.13) 0.011 [0.31;0.86]2.47 (0.50) <0.001 [1.67;3.67]7.26 (1.61) <0.001 [4.70;11.22]
Variance1.01 (0.20) [0.69;1.49]1.00 (0.19) [0.69;1.45]1.13 (0.34) [0.63;2.03]1.20 (0.55) [0.48;2.97]0.93 (0.31) [0.49;1.78]1.14 (0.29) [0.69;1.88]
Sample size7180 episodes5241 patients7180 episodes5241 patients2281 episodes1696 patients2281episodes1696 patients3947 episodes3143 patients3947 episodes3143 patients

Ref: Reference category.

Market force factors (2013/14)

VariableMFFMFF indexed to Oxford
Oxford University Hospitals NHS Trust1. 100 3251.00
Central Manchester University Hospitals NHS Foundation Trust1. 056 8010. 960 444
Derby Hospitals NHS Foundation Trust1. 033 2630. 939 053
Appendix 6.

Hospital cost of self-harm by local authority across England in 2013

Main male costsMain female costsMain total costs
MeanLower 95% CIHigher 95% CIMeanLower 95% CIHigher 95% CIMeanLower 95% CIHigher 95% CI
England49 559 15043 896 12756 429 20779 046 70570 310 15389 561 701128 605 855117 835 026140 934 979
North of England13 887 11312 303 35015 805 22622 301 90819 843 57525 260 92636 189 02133 162 98239 653 206
Cheshire, Warrington and Wirral1 100 384973 9001 253 6031 771 0731 576 1012 005 8902 871 4572 630 2193 148 052
NHS Eastern Cheshire172 581152 590196 709271 350241 508307 445443 932406 756486 552
NHS South Cheshire161 163142 624183 631257 369229 161291 325418 531383 522458 563
NHS Vale Royal92 28581 705105 095148 347132 079167 953240 632220 491263 736
NHS Warrington192 429170 325219 251299 601266 535339 364492 030450 763539 098
NHS West Cheshire203 615180 175232 021332 425295 733376 625536 040490 911587 774
NHS Wirral278 311246 445316 953461 980411 123523 196740 292678 246811 878
Durham, Darlington and Tees1 064 860943 3101 212 4471 728 2121 537 8581 956 9942 793 0722 559 1343 060 861
NHS Darlington94 69983 856107 826154 630137 669175 018249 329228 506273 235
NHS Durham Dales, Easington and Sedgefield244 908216 826278 943391 122348 163442 899636 030582 815697 091
NHS Hartlepool and Stockton-on-Tees258 760229 215294 618420 538374 078476 440679 298622 276744 621
NHS North Durham223 425197 881254 400359 096319 339406 940582 521533 607638 487
NHS South Tees243 068215 500276 445402 825358 575456 039645 893592 096707 901
Greater Manchester2 559 9872 268 4402 913 1434 093 4803 640 6954 635 9836 653 4676 097 4887 289 990
NHS Bolton256 698227 604292 036411 165365 986465 501667 864612 242731 435
NHS Bury167 910148 714191 226273 731243 554309 996441 641404 593484 124
NHS Central Manchester184 782164 203209 545300 498267 199340 432485 280445 037531 395
NHS Heywood, Middleton and Rochdale192 181170 357218 679318 467283 591360 325510 648468 257559 397
NHS North Manchester172 856153 331196 410259 338230 113294 635432 194395 981473 473
NHS Oldham204 914181 685233 123335 378298 741379 294540 292495 539591 474
NHS Salford227 292201 398258 687354 552315 171401 869581 844533 189637 302
NHS South Manchester154 637137 174175 698253 576225 015288 044408 213373 682447 831
NHS Stockport256 317226 817292 054410 542365 203465 090666 859610 738731 161
NHS Tameside and Glossop233 695206 953266 160374 366333 101424 011608 061557 102666 259
NHS Trafford210 633186 424239 972337 298300 054382 142547 931501 860600 655
NHS Wigan Borough298 072263 767339 649464 570413 193526 343762 642698 556835 723
Lancashire1 329 2811 177 4911 513 5862 132 0581 898 1722 413 7143 461 3393 172 6333 791 458
NHS Blackburn with Darwen135 463120 112154 066219 743195 785248 494355 206325 879388 795
NHS Blackpool128 026113 283145 898203 922181 585230 764331 948304 208363 641
NHS Chorley and South Ribble158 216139 996180 284243 498216 614275 863401 715368 033440 153
NHS East Lancashire336 060297 641382 673537 924478 880608 929873 984800 958957 412
NHS Fylde and Wyre141 753125 420161 519222 895198 337252 619364 648334 091399 624
NHS Greater Preston189 700168 096215 904299 502266 525339 047489 202448 512535 692
NHS Lancashire North141 690125 646161 147240 169213 926271 626381 859350 183418 428
NHS West Lancashire98 37387 161111 967164 405146 445185 996262 778240 886288 036
Merseyside1 088 812964 9481 239 2771 790 5351 592 1662 028 8902 879 3472 638 4913 157 255
NHS Halton113 806100 814129 581186 149165 630210 812299 955274 785328 858
NHS Knowsley127 721113 235145 280225 917201 005255 926353 638324 008388 121
NHS Liverpool449 910399 025511 673734 684652 985832 9481 184 5941 085 3741 298 390
NHS South Sefton140 808124 711160 311233 182207 385264 216373 990342 579410 254
NHS Southport and Formby96 35085 276109 748157 140139 945177 957253 491232 255277 848
NHS St Helens160 217141 828182 481253 463225 468287 148413 680378 966453 374
Cumbria, Northumberland, Tyne and Wear1 751 2671 551 0921 994 4162 799 8832 490 4513 172 0764 551 1504 169 2944 988 632
NHS Cumbria450 027398 135512 795703 067625 750796 4081 153 0941 056 7391 263 908
NHS Gateshead182 704161 756208 136290 995258 607329 970473 699433 715519 459
NHS Newcastle North and East142 672126 790161 783230 963205 376261 844373 634342 612409 237
NHS Newcastle West132 614117 620150 801211 904188 481240 073344 518315 853377 426
NHS North Tyneside182 521161 504207 982294 126261 336333 711476 647436 195523 085
NHS Northumberland277 485245 637316 004440 888392 285499 667718 373658 026787 644
NHS South Tyneside133 126117 870151 629218 353194 215247 415351 479321 898385 489
NHS Sunderland250 117221 498284 868409 588364 273464 042659 706604 222723 529
North Yorkshire and Humber1 518 4101 344 9061 728 9812 382 5012 120 3762 698 0773 900 9113 574 8354 273 933
NHS East Riding of Yorkshire275 978244 154314 450435 460387 841493 023711 439652 087779 534
NHS Hambleton, Richmondshire and Whitby143 665127 341163 487202 201179 996229 052345 865317 182378 567
NHS Harrogate and Rural District143 092126 721162 920222 174197 870251 554365 266334 919400 033
NHS Hull244 974217 239278 611383 601340 949434 871628 575576 103688 739
NHS North East Lincolnshire143 510127 135163 396230 678205 359261 131374 188342 943409 892
NHS North Lincolnshire152 014134 526173 217238 770212 504270 395390 783358 078428 291
NHS Scarborough and Ryedale94 58183 757107 671152 313135 579172 522246 894226 212270 688
NHS Vale of York320 596283 995364 959517 305460 170586 076837 900767 693918 310
South Yorkshire and Bassetlaw1 358 6981 203 8081 546 7922 171 2021 932 0852 458 3573 529 9003 235 2383 866 250
NHS Barnsley217 388192 370247 688344 160306 308389 701561 549514 505615 241
NHS Bassetlaw104 42692 459118 927162 850145 060184 258267 275245 101292 731
NHS Doncaster278 518246 671317 171437 862389 607495 880716 380656 431784 725
NHS Rotherham234 809207 888267 411375 268334 163424 642610 077559 139668 275
NHS Sheffield523 556464 363595 365851 062757 212963 9151 374 6191 260 3881 506 022
West Yorkshire2 115 4141 874 6742 407 4893 432 9643 054 6063 886 6085 548 3795 086 0136 077 627
NHS Airedale, Wharfedale and Craven137 888122 120156 982224 126199 622253 643362 015331 783396 698
NHS Bradford City80 38571 48191 123127 329113 540143 885207 715190 799226 969
NHS Bradford Districts298 403264 564339 408501 110446 268566 848799 513733 169876 054
NHS Calderdale190 630168 751217 116302 095268 897342 005492 725451 506539 784
NHS Greater Huddersfield223 233197 776254 084352 997314 075399 801576 230528 117631 291
NHS Leeds North178 555158 166203 310291 577259 312330 422470 132430 594515 671
NHS Leeds South and East225 209199 648256 194361 167321 097409 362586 377537 429642 572
NHS Leeds West305 370270 864347 124513 563456 235582 772818 933750 124898 143
NHS North Kirklees172 257152 675196 037277 105246 887313 320449 362412 153491 920
NHS Wakefield303 484268 559345 786481 894428 741545 812785 377719 481860 634
Midlands and East of England14 893 78813 193 22316 957 06923 776 29921 161 59826 925 73138 670 08735 442 36042 360 185
Arden, Herefordshire and Worcestershire1 489 9351 319 8271 696 5172 349 0262 090 7712 659 3113 838 9613 518 2894 204 805
NHS Coventry and Rugby404 080358 338459 590641 551570 792726 6101 045 631958 6641 145 219
NHS Herefordshire165 398146 396188 393256 183228 170289 966421 581386 607461 734
NHS Redditch and Bromsgrove162 733144 099185 300256 586228 360290 559419 319384 242459 461
NHS South Warwickshire236 317209 272269 088366 857326 413415 599603 174552 695660 955
NHS South Worcestershire262 876232 728299 424420 221374 159475 666683 097625 935748 492
NHS Warwickshire North171 223151 568195 030272 640242 724308 645443 863406 769486 263
NHS Wyre Forest87 30777 30599 411134 989120 119152 916222 295203 755243 588
Birmingham and the Black Country2 224 0631 972 2052 529 4543 681 0253 277 6314 165 5695 905 0875 415 9846 467 345
NHS Birmingham CrossCity651 054577 746739 9941 111 544990 1001 257 3751 762 5981 616 6241 931 103
NHS Birmingham South and Central182 842162 460207 507319 662284 869361 632502 504461 059550 191
NHS Dudley283 473250 946322 897452 421402 727512 143735 894674 310806 203
NHS Sandwell and West Birmingham446 438396 057507 547723 442643 864819 1001 169 8801 072 9511 281 204
NHS Solihull184 239163 169209 780304 408271 157344 414488 648447 920535 496
NHS Walsall244 332216 460278 128398 287354 752450 529642 619589 198703 747
NHS Wolverhampton231 685205 339263 646371 260330 389420 255602 945552 704660 460
Derbyshire and Nottinghamshire1 835 0221 625 4532 089 1182 917 2322 595 8753 303 9204 752 2544 355 3555 206 655
NHS Erewash86 95876 93699 112140 001124 520158 618226 959207 837248 830
NHS Hardwick99 40687 935113 307156 772139 513177 543256 178234 694280 812
NHS Mansfield & Ashfield177 237156 891201 892282 524251 348320 026459 761421 196503 898
NHS Newark & Sherwood103 96892 033118 428165 937147 700187 902269 905247 277295 838
NHS North Derbyshire247 234218 803281 626385 079342 791436 010632 313579 632692 846
NHS Nottingham City303 335269 307344 366495 577440 883561 555798 912732 599874 969
NHS Nottingham North & East133 931118 505152 617214 685190 997243 199348 615319 314382 176
NHS Nottingham West103 12291 274117 483158 980141 312180 232262 102240 032287 321
NHS Rushcliffe102 91791 112117 224160 152142 532181 382263 069241 083288 285
NHS Southern Derbyshire476 914422 422543 050757 527674 257857 8291 234 4401 131 4551 352 213
East Anglia2 219 5041 965 5702 527 5513 477 4353 094 8403 937 8455 696 9395 220 7336 241 106
NHS Cambridgeshire and Peterborough801 904710 307913 1341 248 4441 110 4221 414 4392 050 3481 878 9992 246 112
NHS Great Yarmouth & Waveney183 519162 604208 877292 984260 986331 567476 503436 836521 989
NHS Ipswich and East Suffolk354 911314 271404 164554 633493 913627 708909 544833 720996 183
NHS North Norfolk141 171124 911160 921222 018197 803251 386363 189332 966397 904
NHS Norwich181 815161 022207 050289 772257 416328 659471 587431 936517 056
NHS South Norfolk208 959185 022237 940329 816293 744373 253538 775493 917590 254
NHS West Norfolk146 906130 054167 286232 028206 551262 813378 934347 250415 335
NHS West Suffolk200 319177 393228 160307 742273 836348 581508 061465 588556 507
Essex1 578 8151 397 8931 798 0852 535 8142 257 0342 871 2704 114 6293 770 4244 508 926
NHS Basildon and Brentwood227 666201 625259 288374 933333 804424 375602 599552 190660 569
NHS Castle Point, Rayleigh and Rochford152 855135 372174 013243 408216 862275 357396 264363 282434 073
NHS Mid Essex347 187307 296395 532548 006487 563620 727895 193820 081981 123
NHS North East Essex276 493244 990314 752445 619396 714504 454722 111661 810791 165
NHS Southend160 127141 703182 478254 057226 099287 680414 183379 419453 833
NHS Thurrock151 221133 947172 181240 642214 062272 493391 864359 088429 288
NHS West Essex263 267233 042299 847429 149381 800486 133692 415634 255759 242
Hertfordshire and the South Midlands2 500 1912 213 7302 846 8693 995 7133 554 4004 527 1496 495 9035 951 1947 118 271
NHS Bedfordshire393 422348 417448 032622 182553 398704 9581 015 604930 3961 113 103
NHS Corby59 25352 43567 52596 41285 769109 200155 665142 600170 602
NHS East and North Hertfordshire503 813446 045573 763816 786726 616925 4041 320 5991 209 7261 447 561
NHS Herts Valleys527 262466 807600 607850 272756 251963 3421 377 5341 261 6551 510 014
NHS Luton195 984173 796222 848312 750278 377354 024508 734466 576557 055
NHS Milton Keynes244 520216 508278 505387 091344 082438 797631 610578 568692 261
NHS Nene575 936509 846656 078910 220809 9141 030 8351 486 1571 361 5111 628 381
Leicestershire and Lincolnshire1 585 5881 404 7911 805 1362 562 0222 280 6122 900 9424 147 6103 801 2094 543 664
NHS East Leicestershire and Rutland291 755258 306332 289463 068412 466523 957754 823691 914826 810
NHS Leicester City311 154276 222353 455521 697464 087591 221832 851763 545912 544
NHS Lincolnshire East193 449171 224220 364310 939276 875352 113504 387462 190552 840
NHS Lincolnshire West206 466182 889235 061342 728304 994388 003549 194503 347602 002
NHS South Lincolnshire124 787110 432142 157202 174179 963228 909326 962299 549358 507
NHS South West Lincolnshire108 19695 757123 248175 734156 502198 900283 931260 179311 239
NHS West Leicestershire349 781309 847398 278545 681485 573617 895895 462820 684980 694
Shropshire and Staffordshire1 460 6711 293 3881 663 5342 258 0322 010 1212 556 3473 718 7033 408 4144 072 923
NHS Cannock Chase125 012110 652142 422196 115174 599222 012321 127294 289351 751
NHS East Staffordshire115 163101 892131 247178 517158 925202 090293 680269 128321 661
NHS North Staffordshire196 300173 825223 539306 331272 648346 893502 631460 636550 692
NHS Shropshire280 082248 022318 938427 111380 527483 206707 193648 694774 120
NHS South East Staffs and Seisdon and Peninsular206 793183 116235 491316 894282 026358 942523 688480 120573 631
NHS Stafford and Surrounds140 425124 284159 993209 912186 787237 751350 337321 122383 651
NHS Stoke on Trent239 651212 324272 858373 679332 302423 258613 331562 053671 780
NHS Telford & Wrekin157 245139 290179 042249 472222 211282 262406 717372 937445 263
London8 189 7197 251 9509 326 90312 933 33511 470 90214 688 05521 123 05419 331 82823 179 317
London8 189 7197 251 9509 326 90312 933 33511 470 90214 688 05521 123 05419 331 82823 179 317
NHS Barking & Dagenham173 890154 258197 695297 786264 919337 293471 676432 282517 087
NHS Barnet341 981303 010389 260555 678493 426630 328897 659821 917984 728
NHS Camden230 162203 662262 233358 813317 687408 428588 976538 562646 710
NHS City and Hackney266 555235 822303 584425 072376 402483 811691 626632 410759 564
NHS Enfield292 814259 614333 053495 297440 394561 107788 112722 072864 441
NHS Haringey268 651237 816305 966412 802366 034468 943681 453623 646747 486
NHS Havering214 486190 025244 157360 729320 964408 608575 214526 990630 875
NHS Islington224 579198 718255 754351 822311 234400 879576 401526 870633 334
NHS Newham332 204294 544377 499489 373434 831555 082821 578753 195898 832
NHS Redbridge267 233236 959303 903437 770389 132496 139705 004645 990772 909
NHS Tower Hamlets289 871256 840329 646429 186379 859488 622719 057657 743788 519
NHS Waltham Forest260 817230 918297 068405 311359 669460 126666 127609 818730 619
NHS Brent313 060277 263356 396480 095426 093544 956793 155726 250869 454
NHS Central London (Westminster)174 925154 589199 571234 303207 062267 021409 228374 011449 398
NHS Ealing337 899299 234384 736514 574456 471584 157852 473780 348934 530
NHS Hammersmith and Fulham179 844159 031205 055284 328251 225324 011464 172423 932510 423
NHS Harrow228 220202 285259 665359 147319 090407 332587 366538 070643 736
NHS Hillingdon271 188240 428308 464433 577385 514491 345704 765645 877772 393
NHS Hounslow258 975229 308294 950390 177345 967443 163649 152594 155711 611
NHS West London (Kensington and Chelsea, Queen's Park and Paddington)220 849195 106252 046329 807291 522375 857550 656502 850605 176
NHS Bexley211 470187 396240 654360 589321 003408 203572 059524 334627 341
NHS Bromley286 908253 876326 894471 262418 810534 356758 170694 010832 030
NHS Croydon342 400303 309389 722575 146511 199651 823917 546840 4451 006 788
NHS Greenwich256 775227 480292 287403 316358 057457 738660 091604 425723 859
NHS Kingston159 445141 158181 617257 810228 929292 458417 255382 032457 634
NHS Lambeth330 260292 166376 244502 233444 079572 467832 493760 872914 475
NHS Lewisham281 815249 384321 128451 728400 344513 363733 543670 891805 451
NHS Merton196 759174 007224 337305 596270 687347 524502 355459 338551 500
NHS Richmond179 182158 254204 506280 691248 935318 936459 873420 434504 991
NHS Southwark307 075271 729349 839481 747426 266548 729788 823721 106866 484
NHS Sutton182 502161 527207 912297 606264 579337 379480 108439 537526 584
NHS Wandsworth306 924271 250350 056499 964441 146570 668806 888736 075888 466
South of England12 588 53011 149 07214 336 03420 035 16317 831 86122 684 53332 623 69329 894 96835 745 008
Bath, Gloucestershire, Swindon and Wiltshire1 360 0081 203 9311 549 2152 150 6701 914 7022 434 4433 510 6783 217 4313 845 762
NHS Bath and North East Somerset164 642145 972187 301272 004242 247307 740436 647400 513478 202
NHS Gloucestershire548 929485 844625 379870 630775 014985 7401 419 5591 300 7501 555 505
NHS Swindon211 307186 904240 875323 624287 643366 946534 931489 904586 316
NHS Wiltshire435 130385 230495 623684 412609 675774 3961 119 5421 026 2941 226 136
Bristol, North Somerset, Somerset and South Gloucestershire1 321 0771 170 4311 503 6352 096 8051 865 3742 375 6883 417 8823 132 2063 745 003
NHS Bristol421 650373 871479 597663 885589 406753 7291 085 535994 4331 190 032
NHS North Somerset179 247158 536204 268285 417254 011323 269464 664425 665509 509
NHS Somerset469 255415 721534 081754 206671 953853 2471 223 4611 121 5691 340 429
NHS South Gloucestershire250 925222 211285 785393 297349 932445 432644 222590 296705 667
Devon, Cornwall and Isles of Scilly1 470 8881 302 6971 674 7092 370 6772 110 6502 684 1563 841 5663 520 0334 210 404
NHS Kernow466 117412 720530 731759 014675 959859 1121 225 1311 122 7241 342 896
NHS North, East, West Devon771 619683 596878 5331 238 1191 102 0741 401 7422 009 7381 841 8842 202 026
NHS South Devon and Torbay233 153206 394265 492373 544332 629423 056606 697555 953664 822
Kent and Medway1 591 1491 409 8191 811 3152 586 4912 304 4622 926 1954 177 6403 830 3054 574 720
NHS Ashford107 83695 481122 794179 246159 780202 641287 082263 216314 452
NHS Canterbury and Coastal177 364157 455201 545306 759273 537346 677484 123444 269530 211
NHS Dartford, Gravesham and Swanley231 298204 860263 330371 832330 866421 112603 130552 651660 792
NHS Medway254 346225 467289 353408 427363 552462 226662 773607 699725 852
NHS South Kent Coast181 252160 530206 371283 859252 958321 039465 111426 536509 315
NHS Swale99 79588 456113 557159 298141 932180 164259 093237 608283 669
NHS Thanet114 822101 809130 615194 529173 435219 905309 351283 763338 907
NHS West Kent424 436375 633483 551682 542608 201772 0601 106 9781 014 6661 212 442
Surrey and Sussex2 458 9572 176 2892 801 2883 910 3453 478 4584 429 8346 369 3025 834 2456 981 445
NHS Brighton & Hove281 322249 177320 314435 142386 287493 932716 464656 097785 481
NHS Coastal West Sussex405 677358 967462 182653 552581 643740 7381 059 229970 1171 161 531
NHS Crawley103 63891 725118 069160 826142 703182 608264 463242 060290 006
NHS East Surrey162 273143 589184 881260 186231 542294 662422 459386 965463 023
NHS Eastbourne, Hailsham and Seaford151 984134 592173 030250 615223 223283 676402 599369 000441 303
NHS Guildford and Waverley191 592169 813218 019302 131268 951342 088493 723452 680540 738
NHS Hastings & Rother154 926137 189176 374250 512223 180283 456405 437371 643444 333
NHS High Weald Lewes Havens147 565130 527168 136238 262212 312269 596385 827353 598422 781
NHS Horsham and Mid Sussex204 605181 100233 058327 619291 826370 788532 224487 776583 181
NHS North West Surrey313 628277 273357 608486 200431 785551 734799 828731 970877 549
NHS Surrey Downs254 081224 838289 430409 715364 866463 645663 795608 296727 585
NHS Surrey Heath87 66777 52999 936135 585120 544153 728223 252204 471244 782
Thames Valley1 920 5341 700 8182 186 9763 036 3082 701 1003 439 5584 956 8424 542 1535 431 392
NHS Aylesbury Vale184 797163 568210 488290 629258 621329 144475 426435 577520 969
NHS Bracknell and Ascot127 869113 255145 576205 782183 246232 856333 651305 853365 418
NHS Chiltern286 444253 550326 279464 327413 568525 402750 772687 967822 503
NHS Newbury and District98 69787 336112 449155 667138 704176 052254 363233 178278 508
NHS North & West Reading91 39280 867104 128144 903128 923164 137236 294216 450258 980
NHS Oxfordshire607 912538 562692 075957 552851 6121 085 0161 565 4641 434 5271 715 043
NHS Slough135 878120 341154 701214 474190 556243 277350 352320 924384 125
NHS South Reading110 24597 652125 434169 836150 630193 054280 081256 420307 084
NHS Windsor, Ascot and Maidenhead131 015116 075149 121204 191181 515231 505335 206307 121367 355
NHS Wokingham146 287129 462166 658228 946203 660259 386375 233343 741411 312
Wessex2 465 9162 184 1812 808 1563 883 8683 456 5884 397 8096 349 7845 818 9496 956 018
NHS Dorset669 218592 504762 1881 035 077921 4091 172 0981 704 2951 562 4121 867 183
NHS Fareham and Gosport177 556157 162202 278280 366249 505317 570457 922419 526501 965
NHS Isle of Wight118 862105 280135 298188 686168 172213 472307 548282 057336 784
NHS North East Hampshire and Farnham195 183172 781222 377303 489269 979343 796498 672456 820546 413
NHS North Hampshire202 219178 871230 468318 325283 145360 675520 545476 739570 590
NHS Portsmouth202 668179 768230 462313 605278 943355 323516 273473 469565 257
NHS South Eastern Hampshire182 869161 995208 175300 584267 820340 028483 453443 270529 749
NHS Southampton237 329210 457269 785368 371327 196418 060605 700555 108663 644
NHS West Hampshire480 012424 923546 693775 364690 264877 8671 255 3761 150 1061 376 357
  45 in total

1.  Service provision and outcome for deliberate self-poisoning in adults--results from a six centre descriptive study.

Authors:  Navneet Kapur; Allan House; Chris May; Francis Creed
Journal:  Soc Psychiatry Psychiatr Epidemiol       Date:  2003-07       Impact factor: 4.328

2.  Emergency department contact prior to suicide in mental health patients.

Authors:  D Da Cruz; A Pearson; P Saini; C Miles; D While; N Swinson; A Williams; J Shaw; L Appleby; N Kapur
Journal:  Emerg Med J       Date:  2010-07-26       Impact factor: 2.740

3.  Hospitalizations for suicide-related drug poisonings and co-occurring alcohol overdoses in adolescents (ages 12-17) and young adults (ages 18-24) in the United States, 1999-2008: results from the Nationwide Inpatient Sample.

Authors:  Aaron M White; Erin MacInnes; Ralph W Hingson; I-Jen Pan
Journal:  Suicide Life Threat Behav       Date:  2013-01-29

4.  Cost of attempted suicide: a retrospective study of extent and associated factors.

Authors:  Stephanie Czernin; Marc Vogel; Matthias Flückiger; Flavio Muheim; Jean-Claude Bourgnon; Miko Reichelt; Martin Eichhorn; Anita Riecher-Rössler; Gabriela Stoppe
Journal:  Swiss Med Wkly       Date:  2012-07-23       Impact factor: 2.193

5.  General hospital services for deliberate self-poisoning: an expensive road to nowhere?

Authors:  N Kapur; A House; F Creed; E Feldman; T Friedman; E Guthrie
Journal:  Postgrad Med J       Date:  1999-10       Impact factor: 2.401

6.  ED use by older adults attempting suicide.

Authors:  Mary W Carter; Megan R Reymann
Journal:  Am J Emerg Med       Date:  2014-02-10       Impact factor: 2.469

7.  The economic case for improved coverage of public mental health interventions.

Authors:  Jonathan Campion; Martin Knapp
Journal:  Lancet Psychiatry       Date:  2017-11-09       Impact factor: 27.083

8.  Incidence of suicide, hospital-presenting non-fatal self-harm, and community-occurring non-fatal self-harm in adolescents in England (the iceberg model of self-harm): a retrospective study.

Authors:  Galit Geulayov; Deborah Casey; Keltie C McDonald; Pauline Foster; Kirsty Pritchard; Claudia Wells; Caroline Clements; Navneet Kapur; Jennifer Ness; Keith Waters; Keith Hawton
Journal:  Lancet Psychiatry       Date:  2017-12-12       Impact factor: 27.083

9.  20-year outcomes in adolescents who self-harm: a population-based cohort study.

Authors:  Rohan Borschmann; Denise Becker; Carolyn Coffey; Elizabeth Spry; Margarita Moreno-Betancur; Paul Moran; George C Patton
Journal:  Lancet Child Adolesc Health       Date:  2017-07-08

10.  Relative toxicity of analgesics commonly used for intentional self-poisoning: A study of case fatality based on fatal and non-fatal overdoses.

Authors:  Keith Hawton; Anne Ferrey; Deborah Casey; Claudia Wells; Alice Fuller; Clare Bankhead; Caroline Clements; Jennifer Ness; David Gunnell; Navneet Kapur; Galit Geulayov
Journal:  J Affect Disord       Date:  2019-01-04       Impact factor: 4.839

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  3 in total

1.  Exploring Lived Experiences of Adolescents Presenting with Self-Harm and Their Views about Suicide Prevention Strategies: A Qualitative Approach.

Authors:  Anum Naz; Amna Naureen; Tayyeba Kiran; Omair Husain; Ayesha Minhas; Bushra Razzaque; Sehrish Tofique; Nusrat Husain; Christine Furber; Nasim Chaudhry
Journal:  Int J Environ Res Public Health       Date:  2021-04-28       Impact factor: 3.390

2.  Factors explaining variation in recommended care pathways following hospital-presenting self-harm: a multilevel national registry study.

Authors:  Eve Griffin; David Gunnell; Paul Corcoran
Journal:  BJPsych Open       Date:  2020-11-25

3.  Cost-effectiveness of psychosocial assessment for individuals who present to hospital following self-harm in England: A model-based retrospective analysis.

Authors:  David McDaid; A-La Park; Apostolos Tsiachristas; Fiona Brand; Deborah Casey; Caroline Clements; Galit Geulayov; Nav Kapur; Jennifer Ness; Keith Waters; Keith Hawton
Journal:  Eur Psychiatry       Date:  2022-01-31       Impact factor: 5.361

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