Table 2 Univariate and multivariate Cox regression analysis of patient characteristics for overall survival and distant metastasis free survival among the 120 RCC patients

Gender (Female vs. Male)

0.581 (0.255–1.326)

0.197

0.641 (0.297–1.381)

0.256

Age (≤ 50 vs. > 50)

1.918 (0.789–4.663)

0.151

2.060 (0.901–4.707)

0.087

Family history of cancer (Y vs. N)

1.041 (0.244–4.442)

0.956

0.845 (0.200–3.566)

0.818

Clinical stage (I-II vs. III-IV)

34.361 (8.021–67.199)

< 0.001

19.200 (6.601–55.842)

< 0.001

Pathological classification (R vs. O)

1.232 (0.166–9.145)

0.838

1.211 (0.164–8.928)

0.851

Fuhrman classification (I-II vs. III-IV)

4.601 (2.023–10.464)

< 0.001

4.835 (2.265–10.318)

< 0.001

AGK expression (Low vs. High)

14.518 (3.369–62.556)

< 0.001

11.028 (3.285–37.021)

< 0.001

Clinical stage (I-II vs. III-IV)

22.264 (4.944–50.248)

< 0.001

11.727 (3.804–36.151)

< 0.001

Fuhrman classification (I-II vs. III-IV)

1.125 (0.483–2.620)

0.785

1.428 (0.648–3.146)

0.376

AGK expression (Low vs. High)

7.492 (1.701–32.998)

0.008

6.161 (1.801–21.070)

0.004