Table 2 Multivariate cox regression analyses for overall survival and disease free survival in ccRCC patients

TNM stage

<0.001

0.003

 III + IV vs I+II

2.76

1.75–4.34

2.13

1.30–3.51

Fuhrman

0.044

0.020

 3 + 4 vs 1+2

1.85

1.02–3.37

2.19

1.13–4.23

Necrosis

0.045

0.015

 Present vs Absent

1.81

1.01–3.25

2.16

1.16–4.00

ECOG PS

0.047

0.267

 ≥1 vs 0

1.61

1.01–2.56

1.35

0.80–2.29

ST3GAL-1

0.006

0.001

 High vs Low

1.88

1.20–2.94

2.30

1.40–3.77