Table 2 Montreal classification of Crohn’s disease
Criteria | n (%) |
|---|---|
Age at Diagnosis (A) | |
A1: 16 years or less | 2 (8.3%) |
A2: 17–40 years | 17 (70.8%) |
A3: 40 years or more | 5 (20.8%) |
Localization (L) | |
L1: Terminal Ileum | 9 (37.5%) |
L2: Colon | 1 (4.2%) |
L3: Ileocolonic | 14 (58.3%) |
Behavior (B) | |
B1: Not stenting, non-penetrating | 5 (20.8%) |
B2: Stenting | 8 (33.3%) |
B3: Penetrating | 6 (25.0%) |
B1p: Not stenting, non-penetrating + perianal fistula | 1 (4.2%) |
B2p: stenting + perianal fistula | 2 (8.3%) |
B3p: penetrating + perianal fistula | 2 (8.3%) |