SEMA-CD variable definitions subjid = subject identifier (de-identified) reader = central reader identifier (de-identified) SEMA_EMR_colon = severity of colon 0 = Endoscopic remission 1 = Minimal disease 2 = Mild disease 3 = moderate disease 4 = severe disease SEMA_EMR_ileum = severity of ileum 0 = Endoscopic remission 1 = Minimal disease 2 = Mild disease 3 = moderate disease 4 = severe diseaseSEMA_EMR_segments = number of colonic segments involved SEMA_EMR_segments Number of colonic segments involved SEMA_EMR_score = total SEMA-CD score from colonoscopy report Calculated as SEMA_EMR_ileum + (SEMA_EMR_colon * SEMA_EMR_segments) image = flag for whether or not colonoscopy report contained images 0 = No colonoscopy images included 1 = Colonoscopy image(s) included SESCD_vid = total SES-CD score from colonoscopy videos* SEMACD_vid = total SEMA-CD score from colonoscopy videos* *Data from prior study https://doi.org/10.1093/ibd/izaa307