Table 6: Univariate and multivariate Cox proportional hazards analysis of the biological and clinicopathological features of prostate cancer predicting DFS in localized PCa patients.

Variable

Univariate analysis

Multivariate analysis

RR

95% CI

p value*

RR

95% CI

value

Age (years)

 

 

 

 

 

 

≤ 70.0

1.00

Reference

 

 

 

 

> 70.0

2.25

0.83-6.06

0.109

 

 

 

PSA

 

 

 

 

 

 

≤ 8.1 ng/mL

1.00

Reference

 

1.00

Reference

 

> 8.1 ng/mL

2.85

1.12-7.26

0.027

2.72

0.99-7.49

0.052

AJCC Grade

 

 

 

 

 

 

1-3

1.00

Reference

 

 

 

 

4-5

2.67

0.90-7.87

0.074

 

 

 

Clinical stage

 

 

 

 

 

 

cT1-2

1.00

Reference

0.104

 

 

 

cT3-4

1.97

0.87-4.48

 

 

 

 

Pathological stage

 

 

 

 

 

 

pT1-2

1.00

Reference

 

 

 

 

pT3-4

4.13

1.53-11.15

0.005

 

 

 

Radical surgery

 

 

 

 

yes

0.51

0.23-1.17

0.111

0.12

0.03 – 0.56

0.007

no

1.00

Reference

 

1.00

Reference

 

Hist-pat surgical margines

 

 

 

 

 

 

negative

0.90

0.39-2.07

0.817

0.09

0.02 – 0.48

0.005

positive

1.00

Reference

 

1.00

Reference

 

Seminal vesicle(s) invasion

 

 

 

 

 

 

negative

1.00

Reference

 

 

 

 

positive

2.57

1.09-6.06

0.013

 

 

 

Adjuvant treatment

 

 

 

 

 

 

no

1.00

Reference

 

1.00

Reference

 

yes

2.77

1.17-6.55

0.020

3.43

1.26-9.35

0.016

Ki-67LI

 

 

 

 

 

 

≤ 12.8 %

1.00

Reference

 

 

 

 

> 12.8 %

2.86

1.12-7.25

0.027

 

 

 

GLUT-1LI

 

 

 

 

 

 

≤ 16.0 %

1.00

Reference

 

 

 

 

> 16.0 %

2.40

0.89-6.47

0.083

 

 

 

VEGF LI

 

 

 

 

 

 

≤ 16.0 %

1.00

Reference

 

 

 

 

> 16.0 %

0.61

0.25-1.50

0.282

 

 

 

MVD

 

 

 

 

 

 

≤ 81.8/mm2

1.00

Reference

 

 

 

 

> 81.8/mm2

0.60

0.26-1.38

0.228

 

 

 

PSMA LI

 

 

 

 

 

 

≤ 48.3 %

1.00

Reference

 

 

 

 

> 49.3 %

1.84

0.81-4.20

0.147

 

 

 

hTERT LI

 

 

 

 

 

 

≤ 43.8 %

1.00

Reference

 

 

 

 

> 43.8 %

0.48

0.21-1.10

0.083

 

 

 

RR: risk ratio, CI: confidence interval.