Table 2.
Multivariate regression analysis for delayed amputation
| Logistic Regression (Binary Delayed Amputation) | |||
|---|---|---|---|
| Factor | OR | 95% CI | P |
| Age | 0.95 | 0.91 - 1.00 | 0.05 |
| Sex | 1.25 | 0.28-5.66 | 0.78 |
| ISS | 1.07 | 1.00 - 1.13 | 0.04 |
| Blunt Mechanism | 5.08 | 1.25 - 20.6 | 0.02 |
| Popliteal Injury | 10.1 | 1.04 - 97.3 | 0.04 |
| Multiple Tibial Injury | 31.2 | 2.07 - 469.7 | 0.01 |
| Pulse Deficit | 5.47 | 1.49 - 20.05 | 0.01 |
| Any Fracture | 1.94 | 0.78-4.85 | 0.16 |
| Cox Regression (Time-to-Event Delayed Amputation) | |||
| Factor | HR | 95% CI | P |
| Age | 0.97 | 0.93-1.00 | 0.08 |
| ISS | 1.04 | 0.99-1.09 | 0.09 |
| Blunt Mechanism | 3.57 | 1.17-10.95 | 0.03 |
| Popliteal Injury | 3.41 | 1.10-10.57 | 0.03 |
| Multiple Tibial Injury | 4.30 | 1.11-16.47 | 0.04 |
| Pulse Deficit | 1.97 | 0.63-6.21 | 0.25 |
ISS: injury severity score.