Smoking duration alone provides stronger risk estimates of chronic obstructive pulmonary disease than pack-years
Thorax Jan 23, 2018
Bhatt SP, et al. - Cigarette smoking is the strongest risk factor for COPD. Whether smoking duration alone affords stronger risk estimates of COPD than pack-years, was investigated in this current study. Findings demonstrated that compared with the composite index of pack-years, smoking duration alone provided stronger risk estimates of COPD.
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