Why the study?
Does smoking status affect the likelihood of undergoing coronary artery bypass surgery in middle-aged men?
Does smoking status affect the likelihood of undergoing coronary artery bypass surgery in middle-aged men?
Continuing smokers were less likely to undergo coronary artery bypass surgery than ex-smokers, highlighting a complex interplay between smoking status and selection for surgery.
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Smokers may be less likely selected for CABG than ex-smokers; leaves open selection biases in observational cohorts of middle-aged men.
Morris et al. (1996) studied this question.
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