“…11,13,28,31,36,37,39,40,48,49,[53][54][55] In these studies, the definitions of a stricture were the same, regardless of whether the stricture was naïve or anastomotic. Ten studies failed to provide specific information on the stricture definition, 53,54,[56][57][58][59][60][61][62][63] although the main objective was CD stricture assessment. A detailed summary of the cut-offs and descriptions used for bowel wall thickness, luminal narrowing, prestenotic dilation, motility abnormalities, inflammatory fat, hyperemia and lymphadenopathy can be found in Material S1.…”