Table 1.
Demographic and clinical characteristics of the patients.
| Total (n = 1,448) | Ulcerative colitis (n = 700) | Crohn disease (n = 680) | |
|---|---|---|---|
| Gender: men (n, %) | 735 (50.8) | 344 (49.1) | 352 (51.8) |
| Age (years) (mean, SD) | 53.83 (15.4) | 55 (15.1) | 52.68 (15.6) |
| Diagnostic age of IBD (years) (mean, SD) | 40.70 (16.1) | 42.42 (15.2) | 38.50 (16.6) |
| Average duration of IBD (years) (mean, SD) | 13.13 (9.7) | 12.58 (9.3) | 14.17 (10.2) |
| Average duration of IMIDs (years) (mean) | 15.6 (4.3) | 15.49 (4.2) | 15.75 (4.5) |
| Tobacco (n, %) | |||
| Current smokers | 233 (18.4) | 55 (9.1) | 170 (28.2) |
| Former smokers | 193 (15.2) | 102 (16.9) | 82 (13.6) |
| Non smokers | 841 (66.4) | 447 (74.0) | 351 (58.2) |
| Familiar history (n, %) | 92 (6.4) | 34 (4.9) | 55 (8.1) |
| Complications (intra-abdominal abscess, megacolon, bleeding, perforation) (n, %) | 95 (6.7) | 7 (1.0) | 88 (13.4) |
| Location (n, %): | |||
| Ulcerative proctitis | 229 (32.7) | ||
| Left-side colitis | 296 (42.3) | ||
| Extensive colitis | 175 (25) | ||
| Ileum (CD) | 337 (49.6) | ||
| Colon (CD) | 99 (14.6) | ||
| Ileocolonic (CD) | 244 (35.9) | ||
| Upper disease (CD) | 22 (3.2) | ||
| Behaviour (n, %) | |||
| Inflammatory | 445 (65.4) | ||
| Stricturing | 108 (15.9) | ||
| Penetrating | 127 (18.7) | ||
| Perianal disease (n, %) | 153 (10.6) | 24 (3.4) | 122 (18.0) |
| Therapy | |||
| Immunosupresor (n, %) | 577 (40.0) | 170 (24.3) | 296 (58.2) |
| Biological therapy (n, %) | 387 (6.7) | 105 (15) | 271 (39.9) |
| Surgery (n, %) | 289 (19.9) | 37 (5.3) | 250 (36.8) |