Table 4. Comparison of Cox Proportional Hazards Models for Survival Outcomes.
| Disease-Free Survival | Overall Survival | ||||
|---|---|---|---|---|---|
| Model | Variables Included | C-statistic | Calibration Statistic | C-statistic | Calibration Statistic |
| 0 | Comorbidity | 0.6745 | 13.669 | 0.695 | 10.354 |
| Stage | |||||
| LN status | |||||
| Grade | |||||
| 1 | Model 0 | 0.6883 | 11.497 | 0.719 | 10.965 |
| + BMI | |||||
| 2 | Model 1 | 0.6951 | 12.545 | 0.723 | 4.322 |
| + Albumin | |||||
| + Creatinine | |||||
| + Lymphocyte % | |||||