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Table 2 Univariable and Multivariable analysis of factors associated with PSM

From: Predictors of adverse pathologic features after radical prostatectomy in low-risk prostate cancer

 

Univariable

 

Multivariable

 

HR (95% CI)

p Value

HR (95% CI)

p Value

Age

1.01 (0.98–1.03)

0.64

  

BMI

1.02 (0.95–1.09)

0.58

  

Type of operation

 Open

1 (ref)

   

 Robotic

1.35 (0.89–2.04)

0.16

  

Prostate volume measured by TRUS

1.00 (0.99–1.02)

0.53

  

PSA

1.15 (1.05–1.27)

< 0.01

1.14 (1.03–1.25)

0.01

Number of positive biopsy core

1.14 (1.03–1.26)

0.01

1.12 (1.01–1.24)

0.03

Percentage of positive biopsy core

1.01 (1.00–1.02)

0.05

  

Maximal percentage in each positive core

1.00 (0.99–1.01)

0.57

  
  1. BMI=Body mass index; PSA = Prostate specific antigen; PSM = Positive surgical margin; TRUS = Transrectal ultrasonography