Impact of a national basic skills in colonoscopy course on trainee performance: An interrupted time series analysis

BACKGROUND The Joint Advisory Group on Gastrointestinal Endoscopy basic skills in colonoscopy (BSC) course was introduced in 2009 to improve colonoscopy training within the United Kingdom, but its impact on trainee performance is unknown. AIM To assess whether attendance of the BSC could improve colonoscopy performance. METHODS Trainees awarded colonoscopy certification between 2011-2016 were stratified into 3 groups according to pre-course...