Table 5 Hazard ratio analyses of the clinical characteristics and risk score with the OS

univariate Cox regression analysis

Risk Score

1.00

2.72

1.77

4.18

0.00

Stage III + IV

0.39

1.48

0.52

4.21

0.47

Gendermale

0.33

1.39

0.54

3.53

0.49

age_at_index

0.01

1.01

0.97

1.05

0.62

multivariate Cox regression analysis

Gendermale

−0.35

0.70

0.22

2.2

0.54

Risk Score

1.02

2.77

1.81

4.25

0.00

Stage III + IV

1.05

2.86

0.82

9.93

0.10