Table 2.
Disease and treatment characteristics n (%)
| Characteristics | Value |
| Diagnosis | |
| CD | 776 (58.6) |
| UC | 496 (37.5) |
| IBD-U | 48 (3.6) |
| Unknown | 4 (0.3) |
| Age at diagnosis | Mean 25 yr |
| Median 24 yr | |
| Duration of disease | Mean 8.5 yr |
| Median 7 yr | |
| Hospital admissions | |
| Yes | 923 (69.3) |
| No | 401 (30.3) |
| Median 2 admissions | |
| Bowel resection surgery | |
| Yes | 437 (32.3) |
| No | 897 (67.7) |
| Median 2 resections | |
| 5-ASA medication | |
| Current | 615 (46.4) |
| Previous | 521 (39.4) |
| Never | 188 (14.2) |
| Corticosteroids | |
| Current | 175 (13.2) |
| Previous | 948 (71.6) |
| Never | 201 (15.2) |
| Immunomodulators | |
| Current | 597 (45.1) |
| Previous | 368 (27.7) |
| Never | 359 (27.2) |
| Anti-TNF agents | |
| Current | 280 (21.1) |
| Previous | 196 (14.8) |
| Never | 848 (64.1) |
CD: Crohn’s disease; IBD-U: Inflammatory bowel disease-unclassified; UC: Ulcerative colitis; TNF: Tumor necrosis factor.