Table 6. Factors associated with perianal fistulizing disease at diagnosis in Korean patients.
| Factors | Univariate logistic regression | Multivariate logistic regression | ||||
|---|---|---|---|---|---|---|
| OR | 95% CI | p-value | OR | 95% CI | p-value | |
| Sex (male vs. female) | 1.98 | 1.15–3.42 | 0.014 | 2.12 | 1.20–3.76 | 0.010 |
| Age <10 years (yes vs. no) | 0.85 | 0.31–2.32 | 0.755 | |||
| 1st degree family history of IBD (yes vs. no) | 0.26 | 0.06–1.23 | 0.089 | |||
| Previous bowel resection history (yes vs. no) | 0.41 | 0.04–3.95 | 0.437 | |||
| Height z-score | 1.08 | 0.86–1.37 | 0.501 | |||
| Weight z-score | 1.23 | 1.01–1.49 | 0.038 | |||
| BMI z-score | 1.25 | 1.03–1.52 | 0.022 | 1.29 | 1.05–1.58 | 0.015 |
| Any TI involvement (yes vs. no) | 1.34 | 0.58–3.09 | 0.492 | |||
| Any colon involvement (yes vs. no) | 1.94 | 0.93–4.06 | 0.077 | |||
| Any L4a involvement (yes vs. no) | 1.86 | 1.09–3.16 | 0.022 | 1.68 | 0.96–2.93 | 0.070 |
| Any L4b involvement (yes vs. no) | 0.70 | 0.41–1.20 | 0.195 | |||
| Any B2 or B3 behavior (yes vs. no) | 1.19 | 0.57–2.48 | 0.648 | |||
OR: odds ratio, CI: confidence interval, IBD: inflammatory bowel disease, BMI: body mass index, TI: terminal ileum, L4a: upper disease proximal to the ligament of Treitz, L4b: upper disease distal to the ligament of Treitz and proximal to the distal 1/3 ileum, B2: stricturing, B3: penetrating.