Characteristics of the subject sample and disease activity and disease extent
| All subjects (n = 66) | Returning subjects (n = 56) | |
|---|---|---|
| Values are mean (SD) or percentage. | ||
| 5-ASA, 5-aminosalicylic acid; UCDAI, ulcerative colitis disease activity index; SCCAI, simple clinical colitis activity index; IBDQ, inflammatory bowel disease quality of life index. | ||
| Characteristic | ||
| Age (y) | 40.5 (15.2) | 40.8 (15.4) |
| Female | 54.6% | 53.6% |
| Caucasian | 89.4% | 89.3% |
| African-American | 6.1% | 5.4% |
| Oral 5-ASA use | 77.3% | 76.8% |
| Rectal therapy use | 21.2% | 23.2% |
| Steroid use | 25.7% | 25.0% |
| Thiopurine use | 21.2% | 19.6% |
| Activity index or extent | ||
| St Mark’s index | 5.28 (4.23) | 5.36 (4.11) |
| UCDAI | 4.64 (3.94) | 4.64 (3.97) |
| SCCAI | 4.00 (3.84) | 3.96 (3.86) |
| Seo index | 141.07 (52.42) | 142.07 (52.11) |
| IBDQ | 179.21 (48.00) | 181.52 (47.28) |
| % Proctitis | 13.6% | 14.3% |
| % Left Sided | 36.4% | 33.9% |
| % Pancolitis | 50.0% | 51.7% |