Association of Helicobacter pylori (H. pylori) seropositivity with risk of lung adenocarcinoma and squamous cell carcinoma by time to diagnosis in the Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study.

*Odds ratios (ORs) and 95% confidence intervals (CIs) were adjusted for baseline pack-years and total number of cigarettes per day.†Derived from a single model for CagA-seropositive and CagA-seronegative versus no H. pylori seropositivity for all cases diagnosed ≤9 years after baseline blood draw and their paired controls.‡Derived from a single model for CagA-seropositive and CagA-seronegative versus no H. pylori seropositivity for all cases diagnosed >9 years after baseline blood draw and their paired controls.