Table 4 Univariate proportional hazard models for overall survival (n = 225)

NLR

1.63

[1.01, 2.647]

0.056

3.642

NRI

2.31

[1.431, 3.736]

0.0009

11.002

Without complications after surgery, n = 154

1.80

[1.112, 2.905]

0.0222

5.23

With complications after surgery, n = 71

2.01

[1.247, 3.250]

0.006

7.538

Survivors, n = 219

2.83

[1.738, 4.587]

0.00003

17.407

Non-survivors, n = 6

2.15

[1.334, 3.477]

0.00251

9.131