Table 1 Characteristics of case/control sets used
|  | Crohn’s disease (n = 364) | Ulcerative colitis (n = 209) | Controls (n = 445) |
|---|---|---|---|
Sex (male/female) | 190/174 | 104/105 | 233/212 |
Age (years) | |||
 Range | 5–85 | 15–78 | 6–85 |
 Mean ± SD | 36.21 ± 17.09 | 44.32 ± 16.88 | 42.5 ± 15.05 |
Crohn’s disease location | |||
 Ileal disease | 208 |  |  |
 Colonic disease | 59 |  |  |
 Ileal and colonic disease | 97 |  |  |
Crohn’s disease behaviour | |||
 Non-stricturing/non-penetrating (B1) | 246 |  |  |
 Stricturing (B2) | 93 |  |  |
 Penetrating (B3) | 25 |  |  |
Ulcerative colitis disease-extent | |||
 Ulcerative proctitis |  | 20 |  |
 Distal UC |  | 124 |  |
 Pancolitis |  | 65 |  |