TABLE 1.
Characteristics of Participating Subjects
| Characteristic | n | % |
|---|---|---|
| Age group | ||
| 18–30 | 38 | 16.8 |
| 31–44 | 59 | 26.1 |
| 45–59 | 95 | 42.0 |
| 60–74 | 34 | 15.0 |
| Female gender | 136 | 60.2 |
| Smoking* | ||
| Current smoker | 21 | 9.7 |
| Prior smoker | 32 | 14.7 |
| Never | 164 | 75.6 |
| Disease geography† | ||
| Ulcerative proctitis | 45 | 20.9 |
| Left-sided colitis | 91 | 42.3 |
| Extensive colitis | 79 | 36.7 |
| Current medications‡ | ||
| Mesalamine | 149 | 67.4 |
| Steroids | 51 | 23.1 |
| Thiopurine | 17 | 7.7 |
| Biologics | 15 | 6.8 |
*Excludes missing data for 9 patients.
†Excludes missing data for 11 patients.
‡Excludes missing data for 5 patients.