| Literature DB >> 30159172 |
M D Dairo1, D B Adamu2,3, Y A Onimode4, A Ntekim2, O Ayeni1.
Abstract
OBJECTIVES: The aim of this study is to describe the characteristics and predictors of discontinuation during follow-up care among breast cancer patients at the Radiation Oncology Department, University College Hospital (UCH), Ibadan, Nigeria.Entities:
Year: 2018 PMID: 30159172 PMCID: PMC6109514 DOI: 10.1155/2018/1597964
Source DB: PubMed Journal: Int J Breast Cancer ISSN: 2090-3189
Sociodemographic characteristics of breast cancer patients seen at UCH, Ibadan,2001-2010.
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| No of patients | n=504 | n=518 | ||
| Age | ||||
| Mean | 47.69±10.63 | 48.15±11.44 | -0.666 | 0.506 |
| Sex | ||||
| Male | 4(0.8%) 5(1.0%) | |||
| Female | 500 (99.2%) | 513 (99.0%) | ||
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| Age groups distribution. | ||||
| ≤30 | 13(2.6%) | |||
| 31-40 | 134(26.6%) | |||
| 41-50 | 172(34.1%) | |||
| 51-60 | 122(24.2%) | |||
| 61-70 | 60(11.9%) | |||
| >70 | 3(0.6%) | |||
| Educational status | ||||
| None | 182 (36.1%) | |||
| Below primary | 8(1.6%) | |||
| Primary school | 41 (8.1%) | |||
| Secondary school | 117 (23.2%) | |||
| Tertiary | 156 (31.0%) | |||
| Marital status | ||||
| Single | 23 (4.6%) | |||
| Married | 412 (81.7%) | |||
| Divorced | 7(1.4%) | |||
| Separated | 1 (0.2%) | |||
| Widow | 44 (8.7%) | |||
| Unknown | 17 (3.4%) | |||
| Parity | ||||
| Nulliparity | 33 (6.5%) | |||
| Multiparity | 230 (45.6%) | |||
| Grand multiparity | 231 (45.8%) | |||
| Unknown | 10 (2.0%) | |||
| Distance from home town to UCH, Ibadan | ||||
| ≤ 250KM | 274 (54.4%) | |||
| > 250KM | 230 (45.6%) | |||
| Duration of symptoms before diagnosis | ||||
| ≤ 12 months | 370 (73.4%) | |||
| > 12 months | 134 (26.6%) | |||
| Menopausal Status | ||||
| Menopausal | 272(54.0%) | |||
| Premenopausal | 216(42.9%) | |||
| Unknown | 16(3.2%) |
Clinical characteristics of breast cancer patients seen at UCH, Ibadan, 2001-2010.
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| Site of disease | |
| Right | 227 (45.0%) |
| Left | 244 (48.4%) |
| Bilateral | 33 (6.5%) |
| Stage of disease (Manchester staging) | |
| I | 29 (5.8%) |
| II | 177 (35.1%) |
| III | 138 (27.4%) |
| IV | 155 (30.8%) |
| Unknown | 5 (1.0%) |
| Lymph node status | |
| No axillary nodes | 62 (12.3%) |
| Nodes limited to ipsilateral axilla | 334 (66.3%) |
| Nodes beyond ipsilateral axilla | 84 (16.7%) |
| Unknown | 24 (4.8%) |
| Histological type | |
| Invasive ductal carcinoma | 443 (87.9%) |
| Invasive lobular carcinoma | 23 (4.6%) |
| Inflammatory breast cancer | 10 (2.0%) |
| Breast sarcoma | 2 (0.2%) |
| Anaplastic carcinoma | 3 (0.6%) |
| Malignant cystosarcoma phylloides | 4 (0.8%) |
| Mucinous carcinoma | 5 (1.0%) |
| Squamous cell carcinoma | 4 (0.8%) |
| Paget's disease | 2 (0.2%) |
| Others | 8 (1.6%) |
| Histological grade | |
| I | 89 (17.7%) |
| II | 303 (60.1%) |
| III | 84 (16.7%) |
| Unknown | 28 (5.6%) |
| Surgery | |
| No surgery | 34 (6.7%) |
| Radical surgery | 413 (81.9%) |
| Breast conservation surgery | 57 (11.3%) |
| Completed chemotherapy | |
| Yes | 498 (98.8%) |
| No | 6 (1.2%) |
| Completed radiotherapy | |
| Yes | 493 (97.8%) |
| No | 11 (2.2%) |
| Completed hormonal therapy | |
| Yes | 236 (46.8%) |
| No | 268 (53.2%) |
| Developed metastasis | |
| Yes | 202 (40.1%) |
| No | 302 (59.9%) |
| Sites of metastasis | |
| Lungs | 104 (20.6%) |
| Bone | 116 (23.0%) |
| Liver | 40 (7.9%) |
| Brain | 26 (5.2%) |
| Kidney | 1 (0.2%) |
| Baseline packed cell volume (PCV) | |
| Low (PCV < 33%) | 194 (38.5%) |
| Normal (PCV ≥ 33%) | 310 (61.5%) |
Log rank test estimation of discontinuation of breast cancer patients by clinical features, at UCH, Ibadan, 2001-2010.
| Variable | MDT | Log rank | SE[s(t)] | 95%CI | P value |
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| (months) | Chi-square | ||||
| Age | |||||
| Younger patients | 44.0 | 3.498 | 2.965 | 38.18-49.81 | 0.061 |
| Older patients | 44.0 | 2.325 | 39.44-48.56 | ||
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| Educational level | |||||
| Primary school and below | 41.0 | 1.053 | 2.195 | 36.70-45.30 | 0.305 |
| Secondary school and above | 47.0 | 2.265 | 42.60-51.40 | ||
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| Marital status | |||||
| Not married | 39.0 | 8.289 | 2.315 | 34.50-43.50 | 0.004 |
| Married | 45.0 | 1.954 | 41.20-48.80 | ||
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| Menopausal status | |||||
| Premenopausal | 44.0 | 2.965 | 3.356 | 39.40-52.60 | 0.085 |
| Postmenopausal | 45.0 | 1.876 | 41.30-48.70 | ||
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| Duration of symptoms before diagnosis | |||||
| Up to 12 months | 47.0 | 4.868 | 2.233 | 42.60-51.40 | 0.027 |
| Above 12 months | 37.0 | 1.914 | 33.20-40.8 | ||
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| Distance of home town to UCH to Ibadan | |||||
| >250KM | 46.0 | 0.282 | 2.252 | 41.60-50.40 | 0.596 |
| ≤ 250KM | 41.0 | 2.772 | 35.60-46.40 | ||
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| Stage of disease | |||||
| Early stage (I&II) | 51.0 | 19.500 | 2.416 | 46.30-55.70 | <0.001 |
| Late stage (III&IV) | 37.0 | 1.542 | 34.00-40.00 | ||
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| Axillary node status | |||||
| No axillary nodes | 51.0 | 1.600 | 6.717 | 38.00-64.00 | 0.198 |
| Presence of axillary nodes | 44.0 | 2.023 | 40.00-48.00 | ||
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| Grade of differentiation | |||||
| Well differentiated | 41.0 | 1.360 | 2.729 | 35.70-46-30 | 0.244 |
| Moderate/poorly differentiated | 45.0 | 2.334 | 40.40-49.60 | ||
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| Metastasis | |||||
| Presence of metastasis | 31.0 | 49.761 | 2.233 | 26.60-35.40 | <0.001 |
| No metastasis | 51.0 | 2.213 | 46.70-55.30 | ||
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| Baseline packed cell volume | |||||
| Low PCV | 38.0 | 18.775 | 2.147 | 33.80-42.20 | <0.001 |
| Normal PCV | 47.0 | 2.183 | 42.70-51.30 | ||
MDT= median discontinuation time; CI= confidence interval; SE= standard error.
Figure 1Kaplan Meier discontinuation curve by Manchester stage.
Figure 2Kaplan-Meier discontinuation curve by metastasis.
Figure 3Kaplan-Meier discontinuation curve by PCV status.
Cox regression analysis of hazard ratios of predictors of discontinuation of breast cancer patients seen at UCH, Ibadan, 2001-2010.
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| Development of metastasis | |||
| There is metastasis | 1.793 | 1.396-2.302 | <0.001 |
| No metastasis | 1.00 | ||
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| Baseline packed cell volume (PCV) | |||
| Low (anaemia) | 1.404 | 1.120-1.760 | 0.005 |
| Normal (no anaemia) | 1.00 | ||
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| Stage at presentation (Manchester stage) | |||
| Early stage (Stage I&II) | 1.310 | 1.047-1.639 | 0.015 |
| Late stage (Stage III&IV) | 1.00 | ||
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| Duration of symptoms before diagnosis | |||
| ≤ 12 months | 0.833 | 0.660-1.051 | 0.123 |
| > 12 months | 1.00 | ||
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| Menopausal status | |||
| Premenopausal patients | 1.063 | 0.794-1.425 | 0.680 |
| Postmenopausal patients | 1.00 | ||
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| Age | |||
| Younger patients | 1.415 | 1.044-1.917 | 0.52 |
| Older patients | 1.00 | ||
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| Marital status | |||
| Not Married | 1.256 | 0.964-1.637 | 0.091 |
| Married | 1.00 | ||
CI = confidence interval; HR = hazard ratio; 1.00 = reference category.