The appropriateness of colonoscopy: a multi-center, international, observational study
Objective. To examine the appropriateness and necessity of colonoscopy across Europe. Design. Prospective observational study. Setting. A total of 21 gastrointestinal centers from 11 countries. Participants. Consecutive patients referred for colonoscopy at each center. Intervention. Appropriateness criteria developed by the European Panel on the Appropriateness of Gastrointestinal Endoscopy, u
