Retrospective Study
Copyright ©The Author(s) 2018.
World J Gastroenterol. Feb 7, 2018; 24(5): 623-630
Published online Feb 7, 2018. doi: 10.3748/wjg.v24.i5.623
Table 2 Phenotypes by Montreal classification
n (%)
Age at diagnosis
A1 (≤ 16)56 (13.63)
A2 (17-40)296 (72.57)
A3 (> 40)60 (14.6)
Disease location
L1 ileal279 (67.71)
L2 colonic2 (0.485)
L3 ileocolonic131 (31.87)
L4 upper GI disease50 (12.17)
p perianal disease125 (30.41)
Disease behavior
B1 non-stricturing, non-penetrating35 (08.49)
B2 stricturing167 (40.63)
B3 penetrating197 (47.93)