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Table 2 Cox proportional models for SRT failure risks

From: Proposed salvage treatment strategy for biochemical failure after radical prostatectomy in patients with prostate cancer: a retrospective study

Variables HR 95% CI P value
Prostatectomy Gleason score    
6 / 7 1   
8 / 9 2.57 1.12 - 5.89 0.026
Surgical margin    
Positive 1   
Negative 2.39 1.02 - 5.59 0.045
Pre-SRT PSA (ng/mL)    
< 0.37 1   
≥ 0.37 1.18 0.48 - 2.89 0.71
PSAV (ng/mL/year)    
< 0.38 1   
≥ 0.38 4.44 1.58 - 12.5 0.005
  1. HR = Hazard ratio; CI = confidence interval; SRT = salvage radiotherapy; PSAV = PSA velocity.