Table 2 Univariate and multivariate Cox regression analysis with OS of ccRCC patients

Gender

(male vs. female)

0.951

0.697-1. 296

0.749

Age (year)

1.031

1.018–1.044

< 0.001*

1.028

1.014–1.043

< 0.001*

Tumor stage

1.903

1.667–2.172

< 0.001*

1.637

1.407–1.905

< 0.001*

Tumor grade

2.302

1.879–2.818

< 0.001*

1.194

0.940–1.516

0.147

Risk score

3.319

2.588–4.257

< 0.001*

2.239

1.696–2.956

< 0.001*