Table 2 Proportional hazard model for overall survival and recurrence-free survival prediction

Pathological T stage

<0.001

<0.001

 pT1

Reference

Reference

 pT2

2.655 (1.361–5.180)

0.004

0.005

2.586 (1.197–5.587)

0.016

0.011

 pT3

2.879 (1.756–4.720)

<0.001

0.001

3.061 (1.795–5.221)

<0.001

0.002

 pT4

3.809 (1.054–14.422)

0.027

0.292

8.842 (2.712–28.823)

<0.001

0.009

 Yes vs No

2.467 (1.283–4.744)

0.007

0.073

Fuhrman grade

0.005

0.001

 1

Reference

Reference

 2

1.957 (0.701–5.466)

0.200

0.219

1.439 (0.563–3.674)

0.447

0.490

 3

4.067 (1.353–12.223)

0.012

0.012

4.024 (1.433–11.301)

0.008

0.019

 4

6.786 (1.494–30.828)

0.013

0.002

5.377 (1.258–22.981)

0.023

0.005

 Present vs Absent

2.180 (1.216–3.909)

0.009

0.063

2.191 (1.202–3.991)

0.010

0.018

 0 vs ≥1

2.123 (1.333–3.382)

0.002

0.004

2.356 (1.426–3.893)

0.001

0.002

 High vs Low

0.504 (0.309–0.824)

0.006

0.011

0.448 (0.267–0.751)

0.002

0.025