Table 3.
Cox proportional hazards model to assess factors predicting pouch outcomes
| Characteristic | HR1 | 95% CI1 | P-value* |
|---|---|---|---|
| Chronic pouchitis | |||
| Age at colectomy (yrs) | 0.96506 | 0.94463, 0.98593 | 0.00112 |
| Anastomosis type | |||
| 1. Staple | – | – | |
| 2. Hand-sewn | 0.55299 | 0.31227, 0.97927 | 0.04217 |
| Focal inflammation of the pouch body at the initial postoperative scope | 2.15214 | 1.06298, 4.35727 | 0.03320 |
| Preoperative azathioprine/6-mercaptopurine | 1.28913 | 0.75895, 2.18966 | 0.34744 |
| Dysplasia/Colorectal Cancer | 0.96549 | 0.34947, 2.66741 | 0.94600 |
| Disease duration until surgery (yrs) | 1.00014 | 0.95737, 1.04482 | 0.99504 |
| Pouch failure | |||
| Age at colectomy (yrs) | 0.92806 | 0.86834, 0.99190 | 0.02783 |
| No postoperative complications | 0.59421 | 0.13932, 2.53438 | 0.48183 |
| Preoperative tumor necrosis factor inhibitors | 4.55330 | 1.07511, 19.2841 | 0.03956 |
| Inlet involvement at the initial postoperative scope | 6.31348 | 1.29217, 30.8474 | 0.02281 |
1HR Hazard Ratio, CI Confidence Interval
*The bold values indicate p-value < 0.05