The impact of life tables adjusted for smoking on the socio-economic difference in net survival for laryngeal and lung cancer.


Ellis, L; Coleman, MP; Rachet, B; (2014) The impact of life tables adjusted for smoking on the socio-economic difference in net survival for laryngeal and lung cancer. British journal of cancer, 111 (1). pp. 195-202. ISSN 0007-0920 DOI: 10.1038/bjc.2014.217

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Abstract

BACKGROUND: Net survival is a key measure in cancer control, but estimates for cancers that are strongly associated with smoking may be biased. General population life tables represent background mortality in net survival, but may not adequately reflect the higher mortality experienced by smokers.<br/> METHODS: Life tables adjusted for smoking were developed, and their impact on net survival and inequalities in net survival for laryngeal and lung cancers was examined.<br/> RESULTS: The 5-year net survival estimated with smoking-adjusted life tables was consistently higher than the survival estimated with unadjusted life tables: 7% higher for laryngeal cancer and 1.5% higher for lung cancer. The impact of using smoking-adjusted life tables was more pronounced in affluent patients; the deprivation gap in 5-year net survival for laryngeal cancer widened by 3%, from 11% to 14%.<br/> CONCLUSIONS: Using smoking-adjusted life tables to estimate net survival has only a small impact on the deprivation gap in survival, even when inequalities are substantial. Adjusting for the higher, smoking-related background mortality did increase the estimates of net survival for all deprivation groups, and may be more important when measuring the public health impact of differences or changes in survival, such as avoidable deaths or crude probabilities of death.<br/>

Item Type: Article
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: 24853177
Web of Science ID: 339163300024
URI: http://researchonline.lshtm.ac.uk/id/eprint/1775872

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