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Table 2 Predictors of biochemical recurrence on multivariable cox regression analysis

From: Ki-67 expression predicts biochemical recurrence after radical prostatectomy in the setting of positive surgical margins

 

HR

95% CI

P value

Ki 67 in deep tumor

 Group 1

Reference

  

 Group 2

1.41

(0.57–3.52)

0.46

 Group 3

4

(1.64–9.80)

0.002

Ki 67 at margin

 Group 1

Reference

 Group 2

1.12

(0.55–2.31)

0.75

 Group 3

2.08

(0.97–4.43)

0.06

Length of the margin

 < 3 mm

Reference

 > =3 mm

1.28

(0.70–2.37)

0.42

Number of margin

 

Single margin

Reference

Multiple margins

0.83

(0.45–1.51)

0.54