Table 1.
Characteristics of enrolled cases
| Characteristics variables | Value |
| Age (yr), mean (range) ± SD | 47.9 (22-75) ± 12.5 |
| Male/Female, n (%) | 60/22 (73.2/26.8) |
| Disease duration (mo), mean (range) ± SD | 33.5 (0-217) ± 48.3 |
| MES, n (%) | |
| 0 | 21 (25.6) |
| 1 | 39 (47.6) |
| 2 | 15 (18.3) |
| 3 | 7 (8.5) |
| Disease extent, n (%) | |
| Extensive colitis | 32 (39.0) |
| Left sided colitis | 30 (36.6) |
| Proctitis | 20 (24.4) |
| Fecal hemoglobin concentrations (ng/mL), n (%) | |
| 0-7, negative | 47 (57.3) |
| 7-100 | 21 (25.6) |
| 100-1000 | 11 (13.4) |
| > 1000 | 3 (3.7) |
| Drug at study entry, n (%) | |
| Oral / Suppository 5-ASA | 64 (100.0)/18 (22.0) |
| Systemic steroids | 17 (20.7) |
| Azathioprine | 23 (28.0) |
| Anti-TNFα | 6 (7.3) |
MES: Mayo endoscopic subscore; 5-ASA: 5-aminosalicylic acids; TNF: Tumor necrosis factor.