Table 2.
Multivariate Cox regression analysis of OS
| Variables | HR (95%CI) | P |
|---|---|---|
| Age | 1.02(1.01–1.04) | 0.009 |
| Diabetes | ||
| No | 1.00 | |
| Yes | 1.47(0.94–2.30) | 0.088 |
| TNM stage | ||
| I | 1.00 | |
| II | 1.25(0.56–2.78) | 0.585 |
| III | 1.64(0.76–3.55) | 0.207 |
| IV | 3.13(1.56–6.28) | 0.001 |
| Tumor differentiation | ||
| Well | 1.00 | |
| Moderate | 1.46(0.97–2.20) | 0.069 |
| Poor | 1.63(1.02–2.60) | 0.043 |
| BMI(Kg/m2) | ||
| >=18.5;<=24 | 1.00 | |
| < 18.5 | 1.81 (1.17, 2.80) | 0.008 |
| > 24 | 0.82 (0.54, 1.24) | 0.345 |
| PIV | ||
| Low | 1.00 | |
| High | 1.62(1.15–2.29) | 0.006 |
| Complications | ||
| No | 1.00 | |
| Yes | 1.84(1.30–2.60) | 0.001 |
| Duration of surgery | 1.03(0.96–1.10) | 0.390 |