Table 4 The univariate and multivariate Cox regressions for CSS
Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
HR (95% CI) | p-value | OR (95% CI) | p-value | |
Age | 1.017 (0.963–1.073) | 0.547 |  |  |
BMI | 0.875 (0.709–1.078) | 0.210 |  |  |
RENAL score | 1.311 (0.845–2.032) | 0.227 |  |  |
Tumor size | 1.419 (0.907–2.220) | 0.125 | 0.807 (0.501–1.301) | 0.380 |
Gender | ||||
 Male |  |  |  |  |
 Female | 0.931 (0.188–4.612) | 0.930 |  |  |
Tumor location | ||||
 Left kidney |  |  |  |  |
 Right kidney | 1.707 (0.407–7.150) | 0.464 |  |  |
CR | ||||
 Nonrupture |  |  |  |  |
 Rupture | 9.514 (2.369–38.215) | 0.001 | 9.643 (2.183–42.599) | 0.003 |
Malignant potential | ||||
 Low aggressiveness |  |  |  |  |
 High aggressiveness | 1.902 (0.234–15.468) | 0.548 |  |  |
Pathological stage | ||||
 ≤ I stage |  |  |  |  |
 > II stage | 32.125 (5.851–176.382) | < 0.001 | 50.831 (4.579–564.296) | 0.001 |
Surgical approach | ||||
 OPN |  |  |  |  |
 MIPN | 0.025 (0.001–11.055) | 0.235 |  |  |