Flexible sigmoidoscopy in colorectal cancer screening: implications of different colonoscopy referral strategies

In conclusion, colonoscopy referral can substantially increase sensitivity of sigmoidoscopy-based screening, but the gain by referral due to non-advanced adenomas substantially increases NCN compared to referral due to advanced neoplasms only. Major sex differences may call for sex-specific referral strategies.
Source: European Journal of Epidemiology - Category: Epidemiology Source Type: research