Table 5 The univariate and multivariate Cox regressions for OS
Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
HR (95% CI) | p-value | OR (95% CI) | p-value | |
Age | 1.009 (0.978–1.041) | 0.581 |  |  |
BMI | 0.936 (0.825–1.062) | 0.305 |  |  |
RENAL score | 0.980 (0.735–1.306) | 0.891 |  |  |
Tumor size | 1.007 (0.709–1.432) | 0.967 |  |  |
Gender | ||||
 Male |  |  |  |  |
 Female | 0.818 (0.302–2.219) | 0.694 |  |  |
Tumor location | ||||
 Left kidney |  |  |  |  |
 Right kidney | 1.858 (0.779–4.434) | 0.162 | 1.886 (0.790–4.503) | 0.153 |
CR | ||||
 Nonrupture |  |  |  |  |
 Rupture | 1.905 (0.642–5.654) | 0.245 |  |  |
Malignant potential | ||||
 Low aggressiveness |  |  |  |  |
 High aggressiveness | 1.217 (0.412–3.598) | 0.723 |  |  |
Pathological stage | ||||
 ≤ I stage |  |  |  |  |
 > II stage | 14.250 (3.065–66.252) | 0.001 | 14.727 (3.132–69.253) | 0.001 |
Surgical approach | ||||
 OPN |  |  |  |  |
 MIPN | 0.799 (0.311–2.051) | 0.640 |  |  |