Table 5. Multivariable Analysis of Cancer-Specific Survival.
| Variable | Hazard Ratio (95% CI) | Multivariable P Valuea |
|---|---|---|
| Primary Tumor | ||
| Lymph node metastasesb | 1.33 (0.75-2.45) | .34 |
| Hepatic Resection | ||
| No. of CLMsb | 1.64 (0.95-2.97) | .08 |
| Largest metastasis, cmb | 1.70 (1.01-2.88) | .045 |
| RAS statusb | 2.15 (1.27-3.64) | .005 |
| Major morbidity with Clavien-Dindo grade ≥IIIab | 1.70 (0.97-2.91) | .06 |
| RLI after hepatic resectionb | 2.90 (1.69-4.94) | <.001 |
Abbreviations: CLMs, colorectal liver metastases; NA, not applicable; RLI, remnant liver ischemia.
a
By Cox proportional hazards regression model.
b
Variables entered into the Cox proportional hazards regression model.