Newly Diagnosed Lung Cancer in Patient Safety, Preventive & Ethics — Case | Epidemiology & Biostatistics | SMLE Q#11859
SMLE Question #11859
Patient Safety, Preventive & Ethics
Epidemiology & Biostatistics
Objective: OBJ-367
Last updated: February 2026
Investigators conduct a hospital-based case-control study of cigarette smoking and lung cancer. They recruit 200 patients with newly diagnosed lung cancer (cases) and 200 age- and sex-matched patients without lung cancer admitted for nonmalignant conditions (controls). Lifetime smoking history is recorded. Among cases, 150 are smokers and 50 never smoked; among controls, 50 are smokers and 150 never smoked. What is the odds ratio for lung cancer associated with smoking?
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