Table 3

Disease characteristics per genotype

Allele: AA N (%)Allele: GA N (%)Allele: GG N (%)p Value
Total number of patients173823 (100)
Montreal classification: location
 L1; ileal4 (23)13 (34)5 (22)0.513
 L2; colonic9 (53)10 (26)6 (26)0.113
 L3; ileocolonic4 (23)12 (32)11 (48)0.240
 L4; upper disease0 (0)3 (8)1 (4)0.462
Montreal classification: behaviour
 B1; no stenosis, no fistula9 (53)12 (31)7 (30)0.253
 B2; stenosis, No fistula2 (11)4 (10)6 (26)0.236
 B3; Fistula3 (18)13 (34)5 (22)0.353
 p; Perianal disease4 (22)13 (34)8 (35)0.695
Extraintestinal manifestations2 (11)10 (26)8 (35)0.255
Intestinal surgery5 (29)27 (71)19 (83)0.001