Donogh Maguire1, Conor Richards2, Marylynne Woods2, Ross Dolan3, Jesse Wilson Veitch2, Wei M J Sim2, Olivia E H Kemmett2, David C Milton2, Sophie L W Randall2, Ly D Bui2, Nicola Goldmann2, Amy Brown1, Eilidh Gillen1, Allan Cameron4, Barry Laird5,6, Dinesh Talwar7, Ian M Godber8, John Wadsworth7, Anthony Catchpole7, Alan Davidson1, Donald C McMillan3. 1. Emergency Medicine Department, Glasgow Royal Infirmary, Glasgow, United Kingdom. 2. School of Medicine Veterinary and Life Sciences, Wolfson Medical School Building, University of Glasgow, Glasgow, United Kingdom. 3. Academic Unit of Surgery, School of Medicine, University of Glasgow, New Lister Building, Royal Infirmary, Glasgow, United Kingdom. 4. Department of Acute Medicine, Glasgow Royal infirmary, Glasgow, United Kingdom. 5. Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom. 6. St Columba's Hospice, Edinburgh, United Kingdom. 7. The Scottish Trace Element and Micronutrient Reference Laboratory, Department of Biochemistry, Royal Infirmary, Glasgow, United Kingdom. 8. Department of Clinical Biochemistry, Queen Elizabeth University Hospital, Govan, United Kingdom.
Abstract
BACKGROUND: In order to manage the COVID-19 systemic inflammatory response, it is important to identify clinicopathological characteristics across multiple cohorts. METHODS: The aim of the present study was to compare the 4C mortality score, other measures of the systemic inflammatory response and clinicopathological characteristics in two consecutive cohorts of patients on admission with COVID-19. Electronic patient records for 2 consecutive cohorts of patients admitted to two urban teaching hospitals with COVID-19 during two 7-week periods of the COVID-19 pandemic in Glasgow, U.K. (cohort 1: 17/3/2020-1/5/2020) and (cohort 2: 18/5/2020-6/7/2020) were examined for routine clinical, laboratory and clinical outcome data. RESULTS: Compared with cohort 1, cohort 2 were older (p<0.001), more likely to be female (p<0.05) and have less independent living circumstances (p<0.001). More patients in cohort 2 were PCR positive, CXR negative (both p<0.001) and had low serum albumin concentrations (p<0.001). 30-day mortality was similar between both cohorts (23% and 22%). In cohort 2, age >70 (p<0.05), male gender (p<0.05), COPD (p<0.05), cognitive impairment (p<0.05), frailty (p<0.001), delirium (p = 0.001), CRP>150mg/L (p<0.05), albumin <30 g/L (p<0.01), elevated perioperative Glasgow Prognostic Score (p<0.05), elevated neutrophil-lymphocyte ratio (p<0.001), low haematocrit (p<0.01), elevated PT (p<0.05), sodium <133 mmol/L (p<0.01) elevated urea (p<0.001), creatinine (p<0.001), glucose (p<0.05) and lactate (p<0.001) and the 4C score (p<0.001) were associated with 30-day mortality. In multivariate analysis, greater frailty (CFS>3) (OR 11.3, 95% C.I. 2.3-96.7, p<0.05), low albumin (<30g/L) (OR 2.5, 95% C.I. 1.0-6.2, p<0.05), high NLR (≥3) (OR 2.2, 95% C.I. 1.5-4.5, p<0.05) and the 4C score (OR 2.4, 95% C.I. 1.0-5.6, p<0.05) remained independently associated with 30-day mortality. CONCLUSION: In addition to the 4C mortality score, frailty score and a low albumin were strongly independently associated with 30-day mortality in two consecutive cohorts of patients admitted to hospital with COVID-19. TRIAL REGISTRATION: clinicaltrials.gov: NCT04484545.
BACKGROUND: In order to manage the COVID-19 systemic inflammatory response, it is important to identify clinicopathological characteristics across multiple cohorts. METHODS: The aim of the present study was to compare the 4C mortality score, other measures of the systemic inflammatory response and clinicopathological characteristics in two consecutive cohorts of patients on admission with COVID-19. Electronic patient records for 2 consecutive cohorts of patients admitted to two urban teaching hospitals with COVID-19 during two 7-week periods of the COVID-19 pandemic in Glasgow, U.K. (cohort 1: 17/3/2020-1/5/2020) and (cohort 2: 18/5/2020-6/7/2020) were examined for routine clinical, laboratory and clinical outcome data. RESULTS: Compared with cohort 1, cohort 2 were older (p<0.001), more likely to be female (p<0.05) and have less independent living circumstances (p<0.001). More patients in cohort 2 were PCR positive, CXR negative (both p<0.001) and had low serum albumin concentrations (p<0.001). 30-day mortality was similar between both cohorts (23% and 22%). In cohort 2, age >70 (p<0.05), male gender (p<0.05), COPD (p<0.05), cognitive impairment (p<0.05), frailty (p<0.001), delirium (p = 0.001), CRP>150mg/L (p<0.05), albumin <30 g/L (p<0.01), elevated perioperative Glasgow Prognostic Score (p<0.05), elevated neutrophil-lymphocyte ratio (p<0.001), low haematocrit (p<0.01), elevated PT (p<0.05), sodium <133 mmol/L (p<0.01) elevated urea (p<0.001), creatinine (p<0.001), glucose (p<0.05) and lactate (p<0.001) and the 4C score (p<0.001) were associated with 30-day mortality. In multivariate analysis, greater frailty (CFS>3) (OR 11.3, 95% C.I. 2.3-96.7, p<0.05), low albumin (<30g/L) (OR 2.5, 95% C.I. 1.0-6.2, p<0.05), high NLR (≥3) (OR 2.2, 95% C.I. 1.5-4.5, p<0.05) and the 4C score (OR 2.4, 95% C.I. 1.0-5.6, p<0.05) remained independently associated with 30-day mortality. CONCLUSION: In addition to the 4C mortality score, frailty score and a low albumin were strongly independently associated with 30-day mortality in two consecutive cohorts of patients admitted to hospital with COVID-19. TRIAL REGISTRATION: clinicaltrials.gov: NCT04484545.
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