Table 4 Univariate and multivariate Cox regression analysis for prediction of cancer-related death in RCC

Age (<58 versus ≥ 58)

1.372 (0.510–3.692)

0.531

1.249 (0.427–3.651)

0.685

Sex (male versus female)

0.984 (0.343–2.822)

0.976

0.953 (0.260–4.615)

0.532

T stage (T1–2 versus T3–4)

9.378 (3.424–25.689)

<0.001

4.432 (1.127–17.425)

0.033

N Stage (N0 or Nx versus N⁺)

15.602 (5.304–45.892)

<0.001

20.373 (4.439–93.498)

<0.001

M Stage (M0 or Mx versus M1)

8.264 (2.826–24.166)

<0.001

1.761 (0.529–5.859)

0.356

Fuhrman grade (1–2 versus 3–4)

3.996 (1.402–11.392)

0.010

3.015 (0.697–13.033)

0.140

SELENBP expression (low versus high)

0.168 (0.038–0.741)

0.019

0.111 (0.023–0.529)

0.006