Table 2 Multivariable analysis using cox regression and Fine&Gray regression models for predicting CSS in 655 patients with localyzed RCC

Age (<65 vs ≥65 years)

1.05

0.62-1.79

0.848

0.73

0.39-1.36

0.32

ECOG Performance Status (0 vs ≥1)

4.08

2.18-7.62

<0.001*

4.02

2.06-7.82

<0.001*

Histological type (Clear cell vs others)

1.15

0.50-2.60

0.746

0.74

0.28-1.95

0.546

Pathological stage (1-2 vs >3)

3.94

2.30-6.74

<0.001*

4.15

2.22-7.74

<0.001*

Tumor size (<4 vs ≥4cm)

6.00

2.66-13.52

<0.001*

4.41

1.77-11.02

0.001*

BMI (<25 vs >25)

0.48

0.24-0.98

0.045*

0.3

0.11-0.85

0.023*