Table 5. Variables in the equation.
| variables | HR | 95%CI | P value | |
| Lower | Upper | |||
| gender | 2.270 | 1.480 | 3.481 | <0.001 |
| Age | 2.282 | 1.573 | 3.310 | <0.001 |
| Location | 0.828 | 0.697 | 0.984 | 0.081 |
| Pathology | 0.918 | 0.693 | 1.217 | 0.712 |
| Stage | 0.808 | 0.585 | 1.118 | 0.333 |
| Complication | 5.292 | 2.303 | 12.162 | <0.001 |
| BSA | 0.024 | 0.003 | 0.190 | <0.001 |
| BMI | 0.886 | 0.815 | 0.962 | 0.004 |
| CEA | 0.867 | 0.674 | 1.116 | 0.035 |
| WBC | 1.313 | 0.119 | 14.446 | 0.883 |
| NE | 2.675 | 0.381 | 18.784 | 0.443 |
| HGB | 1.231 | 0.888 | 1.707 | 0.305 |
| PLT | 5.224 | 1.264 | 21.600 | 0.065 |
| ALT | 9.156 | 0.613 | 136.825 | 0.146 |
| AST | 0.166 | 0.009 | 2.931 | 0.192 |
| ALP | 4.264 | 1.034 | 17.595 | 0.062 |
| TP | 0.468 | 0.264 | 0.829 | 0.095 |
| ALB | 1.357 | 0.618 | 2.980 | 0.012 |
| TB | 3.528 | 0.685 | 18.159 | 0.099 |
| CR | 0.765 | 0.388 | 2.006 | 0.882 |
BSA: body surface area; BMI: body mass index; CEA: carcinoembryonic antigen; WBC: white blood cell; NE: neutrophils; HGB: hemoglobin; PLT: platelet; ALT: glutamic pyruvic transaminase; AST: glutamic oxalacetictransaminease; ALP: alkaline phosphatase; TP: total protein; ALB: albumin; TB: total bilirubin; CR: creatinine.