Table 3.
Multivariable Cox Proportional Hazards Model of Cancer-Specific Survival By CPB
| Variable | Hazard Ratio | 95% Confidence Interval for Hazard Ratio | P-Value (Wald Test) |
|---|---|---|---|
| CPB (Yes vs. No) | 1.573 | (0.921, 2.686) | 0.097 |
| Level (IV vs. III) | 1.131 | (0.741, 1.725) | 0.569 |
| Age (Years) | 0.998 | (0.980, 1.018) | 0.870 |
| Sex (M vs. F) | 0.745 | (0.498, 1.115) | 0.1526 |
| T Stage (4 vs. 3) | 1.934 | (0.903, 4.143) | 0.089 |
| N Stage (N1 vs. N0) | 2.730 | (1.503, 4.957) | 0.001 |
| N Stage (N2 or N3 vs. N0) | 2.477 | (1.362, 4.506) | 0.003 |
| N Stage (NX vs. N0) | 1.138 | (0.648, 1.999) | 0.653 |
| Time Under Surgery (Hours) | 1.057 | (0.970, 1.151) | 0.206 |
| Metastases (M1 vs. M0) | 2.553 | (1.470, 4.434) | 0.001 |
| Metastases (MX vs. M0) | 1.686 | (0.968, 2.936) | 0.065 |