Table 1.
Basic Characteristics of Patients
| Variables | UC n=130 | CD n=23 | P-value | |
|---|---|---|---|---|
| Age (years) | 37.68 ± 12.53 | 36.39 ± 11.59 | 0.7 | |
| Vitamin D levels, ng/mL | 18.53 ± 9.55 | 19.3 ± 11.82 | 0.79 | |
| Gender, n (%) | Male | 46 (35.4) | 12 (52.2) | 0.16 |
| Female | 84 (64.6) | 11 (47.8) | ||
| Disease severity, n (%) | Flare-up | 40 (30.8) | 13 (56.5) | 0.03 |
| Remission | 90 (69.2) | 10 (43.5) | ||
| Vitamin D Status, n (%) | Normal | 47 (36.2) | 7 (30.4) | 0.64 |
| Deficiency | 83 (63.8) | 16 (69.6) | ||
| Colon involvement in UC patients n (%) | Proctitis | 28 (21.5) | - | – |
| Distal colitis & left side colitis | 46 (35.4) | - | ||
| Pancolitis & extensive colitis | 56 (43.1) | - | ||
| CD patients’ age at the onset of disease, n (%) | < 18 | - | 2 (8.7) | – |
| 18–40 | - | 18 (78.3) | ||
| ˃ 40 | - | 3 (13) | ||
| Location of involvement in CD patients, n (%) | Colitis | - | 9 (39.1) | – |
| Illetis | - | 3 (13) | ||
| Illeocolitis | - | 11 (47.8) | ||
| Behavior in CD patients, n (%) | Inflammatory | - | 17 (73.9) | – |
| Stricture | - | 4 (17.4) | ||
| Fistula | - | 2 (8.7) | ||
| Perianal fistula in CD patients, n (%) | No | - | 16 (69.6) | – |
| Yes | - | 7 (30.4) | ||
Abbreviations: CD, Crohn’s disease; UC, ulcerative colitis.