Procedural success and complications of large-scale screening colonoscopy

Background: Indirect evidence and modeling analyses suggest that colonoscopy may be the most cost-effective way to screen the average-risk population for colorectal neoplasia. However, the success and safety of primary colonoscopic screening has not been prospectively evaluated in a multicenter trial. Methods: Asymptomatic subjects age 50 to 75 years who had not undergone examination of the colon within 10 years were recruited from the general...