Table 2.
Univariate associations between baseline factors and time to earliest of any perianal lesion other than fistulas in 310 patients from Olmsted County, Minnesota.
| Characteristic | Hazard Ratio | 95% CI | p-value |
|---|---|---|---|
| Gender | |||
| Male | 1.0w | Ref. | |
| Female | 1.9 | 1.2-2.8 | 0.004 |
| Age | 1.0 | 0.99-1.9 | 0.43 |
| Disease Location | |||
| Small Bowel (L1) | 0.7 | 0.4-1.3 | 0.27 |
| Colitis (L2) | 1.0 | Ref. | |
| Ileocolonic (L3) | 1.0 | 0.6-1.6 | 0.1 |
| Gastroduodenal (L4) | 0.9 | 0.2-4 | 0.96 |
| Disease behavior at the 90-day baseline | |||
| Non-Stricturing/Non-Penetrating (B1) | 1.0 | Ref. | |
| Stricturing (B2) | 0 | 0 | 1 |
| Penetrating (B3) | 0.7 | 0.3-1.3 | 0.2 |
| Smoking history | |||
| Current smokers | 1.3 | 0.8-2 | 0.26 |
| Former smokers | 0.5 | 0.2-1.1 | 0.08 |
| Non-smokers | 1.0 | Ref. | |
| Family History of IBD | |||
| Yes | 1.0 | 0.5-1.7 | 0.9 |
| No | 1.0 | Ref. | |
| Extra-intestinal manifestation | |||
| Yes | 2 | 1.2-3.3 | 0.005 |
| No | 1.0 | Ref. | |