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Table 3 Univariate and multivariate analysis of factors in the SRT failure group that distinguish the nonresponse group from the recurrence group

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

Variables Univariate analysis Multivariate analysis †
OR 95% CI P value OR 95% CI P value
Prostatectomy Gleason score       
6 / 7 1      
8 / 9 0.5 0.12 - 2.14 0.35    
Prostatectomy lymphatic invasion (ly)       
Negative 1    1   
Positive 3.79 0.75 - 19.1 0.097 2.95 0.30 - 29.4 0.36
Prostatectomy perineural invasion (pn)       
Negative 1    1   
Positive 4.00 0.81 - 19.8 0.081 3.56 0.47 - 26.8 0.22
Surgical margin       
Positive 1    1   
Negative 5.14 1.03 - 25.6 0.038 12.71 1.14 - 142.1 0.039
Pre-SRT PSA (ng/mL)       
< 0.5 1      
≥ 0.5 3.33 0.76 - 14.6 0.11    
PSAV (ng/mL/year)       
< 0.8 1    1   
≥ 0.8 4.13 0.88 - 19.3 0.065 12.14 1.13 - 129.9 0.039
  1. OR = Odds ratio; CI = confidence interval; SRT = salvage radiotherapy; PSAV = PSA velocity; † Logistic regression analysis.