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Using risk advancement periods to derive starting ages of colorectal cancer screening according to sex and polygenic risk score: Results from the UK Biobank

2023-03-06 gastroenterology Title + abstract only
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ObjectivePolygenic risk scores (PRSs) derived from genome-wide association studies are strong predictors of colorectal cancer (CRC) risk. We applied the straightforward approach of risk advancement periods (RAPs) to derive risk-adapted starting ages of CRC screening according to sex and PRS in the UK Biobank. MethodsAmong 242,779 participants (40-69 years; no previous CRC screening; no family history of CRC), we assessed associations of sex and a PRS with CRC risk and mortality using Cox regres...

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