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 | ||