Age at diagnosis | | | |
<40 y (A1) | 55 (79%) | 35 (50%) | 20 (29%) |
⩾40 y (A2) | 15 (21%) | 5 (7%) | 10 (14%) |
Location | | | |
Terminal ileum (L1) | 28 (40%) | 20 (29%) | 8 (11%) |
Colon (L2) | 21 (30%) | 6 (9%) | 15 (21%) |
Ileocolon (L3) | 19 (27%) | 12 (17%) | 7 (10%) |
Upper GI (L4) | 2 (3%) | 2 (3%) | 0 (0%) |
Behaviour | | | |
Non-stricturing non-penetrating (B1) | 30 (43%) | 12 (17%) | 18 (26%) |
Stricturing (B2) | 21 (30%) | 16 (23%) | 5 (7%) |
Penetrating (B3) | 19 (27%) | 12 (17%) | 7 (10%) |
CARD15/NOD2 genotype† | | | |
Wild-type | 56 (82%) | 34 (50%) | 22 (32%) |
Heterozygote | 12 (18%) | 6 (9%) | 6 (9%) |
Homozygote | 0 (0%) | 0 (0%) | 0 (0%) |