Changes over time in socioeconomic inequalities in breast and rectal cancer survival in England and Wales during a 32-year period (1973-2004): the potential role of health care


Lyratzopoulos, G; Barbiere, JM; Rachet, B; Baum, M; Thompson, MR; Coleman, MP; (2011) Changes over time in socioeconomic inequalities in breast and rectal cancer survival in England and Wales during a 32-year period (1973-2004): the potential role of health care. Annals of oncology , 22 (7). pp. 1661-1666. ISSN 0923-7534 DOI: 10.1093/annonc/mdq647

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Abstract

Background: Socioeconomic inequalities in cancer survival are well documented but they vary for different cancers and over time. Reasons for these differences are poorly understood. Patients and methods: For England and Wales, we examined trends in socioeconomic survival inequalities for breast cancer in women and rectal cancer in men during the 32-year period 1973-2004. We used a theoretical framework based on Victora's 'inverse equity' law, under which survival inequalities could change with the advent of successive new treatments, of varying effectiveness, which are disseminated with different speed among patients of different socioeconomic groups. We estimated 5-year relative survival for patients of different deprivation quintiles and examined trends in survival inequalities in light of major treatment innovations. Results: Inequalities in breast cancer survival (921,611 cases) narrowed steadily during the study (from -10% to -6%). In contrast, inequalities in rectal cancer survival (187,104 cases) widened overall (form -5% to -11%) with fluctuating periods of narrowing inequality. Conclusions: Trends in socioeconomic differences in tumour or patient factors are unlikely explanations of observed changes over time in survival inequalities. The sequential introduction into clinical practice of new treatments of progressively smaller incremental benefit may partly explain the reduction in inequality in breast cancer survival.

Item Type: Article
Keywords: breast, colorectal, deprivation, inequality, socioeconomic, survival, TOTAL MESORECTAL EXCISION, COLORECTAL-CANCER, SCREENING-PROGRAM, TRENDS, MANAGEMENT, MORTALITY, DIAGNOSIS, TRIAL, STAGE, FLUOROURACIL
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Non-Communicable Disease Epidemiology
Research Centre: Cancer Survival Group
Centre for Global Non-Communicable Diseases (NCDs)
PubMed ID: 21199888
Web of Science ID: 292048500025
URI: http://researchonline.lshtm.ac.uk/id/eprint/411

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