Journal
EPIDEMIOLOGY
Volume 11, Issue 3, Pages 344-346Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00001648-200005000-00021
Keywords
renal cancer; survival analysis; tobacco smoking
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Funding
- NIEHS NIH HHS [ES 07262] Funding Source: Medline
- PHS HHS [N01-VN-67009] Funding Source: Medline
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We examined the relation between tobacco smoking and survival among renal cell carcinoma cases, using information from a population-based cancer registry. Current smokers were at increased risk of death compared with non-smokers (hazard ratio (HR) 1.7, 95% CI = 1.2-2.5). The association was strongest within 6 months of diagnosis (HR 2.5, 95% CI = 1.5-4.3). Most of the association was explained by stage at diagnosis, with current smokers more likely (OR 2.2, 95% CI = 1.4-3.5) to have distant disease. Case-control studies may be biased if cases who do nut participate swing to short survival have different smoking histories chan participating cases.
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