Associations of lung cancer with lung disease diagnosed at least one year prior in the Environment And Genetics in Lung cancer Etiology case-control study.

*OR = odds ratio, CI = confidence interval. Adjusted for study age, sex, and region.
†OR = odds ratio, CI = confidence interval. Adjusted for study age, sex, region, pack-years, amount of cigarette smoking (average packs/day), bronchitis (unless main effect or COPD), emphysema (unless main effect or COPD), and pneumonia.
‡COPD = chronic obstructive pulmonary disease (chronic bronchitis and/or emphysema).