Table 3. Multivariate Cox proportional hazards analysis.
| |
|
|
|
95% CI |
|
|---|---|---|---|---|---|
| Variable | Categories | P-value | Hazard ratio | Lower | Upper |
|
Model 1 for RCC DSS | |||||
| 9p status | Deletion vs no deletion | 0.007 | 4.603 | 1.527 | 13.873 |
| T-stage | pT3/4 vs pT1/2 | 0.002 | 8.329 | 2.181 | 31.803 |
| Metastasis |
N+M+ vs N0M0 |
0.007 |
3.707 |
1.437 |
9.563 |
|
Model 2 for RCC DSS | |||||
| 9p status | Deletion vs no deletion | 0.014 | 4.002 | 1.322 | 12.111 |
| SSIGN score |
5 subcategories |
<0.001 |
3.013 |
1.918 |
4.731 |
|
Model 3 for RFS | |||||
| T-stage | pT3/4 vs pT1/2 | 0.021 | 3.863 | 1.224 | 12.194 |
| 9p status | Deletion vs no deletion | 0.021 | 3.323 | 1.198 | 9.220 |
Abbreviations: CI=confidence interval; DSS=disease-specific survival; RCC=renal cell carcinoma; RFS=reoccurance-free survival; SSIGN=stage, size, grade and necrosis. Bold is used to highlight the statistically significant P-values.