population screening
Systematic screening of entire defined populations rather than high-risk individuals only.
Full Definition
Population screening involves offering screening tests to all individuals within a defined population group, typically based on age and gender criteria, regardless of individual risk factors or symptoms. This approach contrasts with targeted screening of high-risk groups and aims to achieve maximum population-level impact on cancer mortality. Population screening programs require careful consideration of resource allocation, test performance characteristics, and potential for overdiagnosis across diverse population subgroups.
In Context
- "The Ministry of Health implemented population screening for colorectal cancer in adults aged 50-75." — Policy document
- "Population screening approaches must balance benefits against potential harms across diverse groups." — Screening guideline