Table 2.
The univariate and multivariate Cox regressions for RFS
| Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| HR (95% CI) | p-value | OR (95% CI) | p-value | |
| Age | 0.996 (0.949–1.045) | 0.861 | ||
| BMI | 0.899 (0.736–1.098) | 0.296 | ||
| RENAL score | 1.203 (0.809–1.790) | 0.361 | ||
| Tumor size | 1.490 (0.993–2.235) | 0.054 | 0.976 (0.621–1.532) | 0.915 |
| Gender | ||||
| Male | ||||
| Female | 0.825 (1.171–3.973) | 0.811 | ||
| Tumor location | ||||
| Left kidney | ||||
| Right kidney | 1.180 (0.317–4.396) | 0.805 | ||
| CR | ||||
| Nonrupture | ||||
| Rupture | 8.841 (2.372–32.945) | 0.001 | 7.354 (1.839–29.413) | 0.005 |
| Malignant potential | ||||
| Low aggressiveness | ||||
| High aggressiveness | 2.076 (0.260–16.599) | 0.491 | ||
| Pathological stage | ||||
| ≤ I stage | ||||
| > II stage | 15.902 (3.278–77.147) | 0.001 | 16.457 (1.775–152.569) | 0.014 |
| Surgical approach | ||||
| OPN | ||||
| MIPN | 0.203 (0.025–1.622) | 0.132 | 0.241 (0.030–1.969) | 0.184 |