Risk interval analysis of emergency room visits following colonoscopy in patients with inflammatory bowel disease

Prior studies suggest that colonoscopy may exacerbate inflammatory bowel disease (IBD) symptoms. Thus, our study aimed to determine risk of emergency room (ER) visits associated with colonoscopy among IBD patients and evaluate potential modifiers of this risk.The study population included IBD patients in the Multi-Payer Claims Database who were >20 years old and had a colonoscopy from 2007-2010. We used a self-controlled risk interval design and...