| Model | P value | 95.0% Confidence Interval | |
| Lower Bound | Upper Bound | ||
| Recipient gender | 0.012 | 0.490 | 14.188 |
| Actual GRWR < 0.8 | 0.357 | 0.008- | 7.238 |
| Graft type | 0.328 | 0.298 | 37.223 |
| Blood transfusion < 10 unit intraoperative | 0.025 | 0.163 | 0.885 |
| Vascular complications | .018 | 0.158 | 0.842 |