Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Enriching the target population for high risk. Using Prostate, Lung, Colorectal, Ovarian Cancer Screening Trial data, panels A, B, and C represent the population aged 55-75 years, the entire population (A), the top 50% risk (B), and the top 25% risk (C). Risk is for all-cancer mortality over 7 years and is based on model incorporating smoking history, body mass index, family history, and demographics.
