This study aims to investigate whether the personal characteristics of the endoscopist is associated with effect of interventions for colonoscopy quality improvement. This is a prospective, 9-month, multicenter, single-blind study. Baseline quality indicators including adenoma detection rate, polyp detection rate, withdrawal time and adenomas per colonoscopy of each endoscopist were measured in the health promotion centers of academic hospitals for 3 months. Follow-up measurements of quality indicators were repeated every 3 months after each interventions (personal notification of quality indicators, open notification of quality indicators, and colonoscopy quality education by a GI faculty. At the end of the study, personal characteristics of each endoscopist was evaluated using fear of negative evaluation scale, cognitive flexibility inventory, and almost perfect scale.
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Measurement of overall adenoma detection rate
Timeframe: 9 months
Measurement of adenoma detection rate after personal notification
Timeframe: 3 months after personal notification
Measurement of adenoma detection rate after open notification
Timeframe: 3 months after open notification
Measurement of adenoma detection rate after education
Timeframe: 3 months after education