Defined Period in Patient Safety, Preventive & Ethics — Case | Epidemiology & Biostatistics | SMLE Q#18152
SMLE Question #18152
Patient Safety, Preventive & Ethics
Epidemiology & Biostatistics
Objective: OBJ-EPID-013
Last updated: February 2026
A population-based registry follows a fixed cohort of 100,000 people for a defined period. At the start, 300 people have previously diagnosed colon cancer. During the period, 75 new cases are diagnosed. No one enters or leaves the cohort, and all cases are counted at the end of the period. What is the cumulative prevalence of colon cancer during the period?
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