Table 4.
Odds of developing a complication within the first 30 days of ileal pouch–anal anastomosis surgery for ulcerative colitis after adjusting for potential risk factors.
| Unadjusted odds ratio (95% CI) | Adjusted odds ratio (95% CI) | |
|---|---|---|
| Disease extent | ||
| Proctitis/left-sided disease | Reference | Reference |
| Extensive colitis | 2.31 (1.00-5.32) | 3.61 (1.39-9.33) |
| Number of stages in IPAA surgerya | ||
| 2 | Reference | Reference |
| Modified 2 | 1.12 (0.51-2.42) | 1.28 (0.52-3.20) |
| 3 | 0.46 (0.20-1.04) | 0.53 (0.20-1.42) |
| Smoking status at time of IPAA | ||
| Never | Reference | Reference |
| Current or former | 2.81 (1.45-5.46) | 2.98 (1.38-6.47) |
| Body mass index at time of IPAA | ||
| <30 kg/m2 | Reference | Reference |
| 30 kg/m2 or greater (obese) | 2.23 (1.04-4.75) | 1.93 (0.78-4.77) |
Abbreviations: CI, confidence interval; IPAA, ileal pouch–anal anastomosis.
aPatients with a 1-stage approach to IPAA not included in model due to <10 events.