Observational Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Jun 14, 2016; 22(22): 5267-5275
Published online Jun 14, 2016. doi: 10.3748/wjg.v22.i22.5267
Table 2 Extent, location and behavior of inflammatory bowel disease according to the montreal classification n (%)
UC (n = 508)CD (n = 196)
UC Extent
E1: Ulcerative proctitis142 (28)
E2: Left sided UC112 (22)
E3: Extensive UC (pancolitis)254 (50)
CD Location
L1: Ileal53 (27)
L2: Colonic87 (44)
L3: Ileocolonic55 (28)
L4: Upper gastrointestinal5 (3)
CD Behavior
B1: Non-stricturing/non-penetrating157 (80)
B2: Stricturing20 (10)
B3: Penetrating18 (9)
p: Perianal disease55 (28)