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Table 2 Prognostic factors of bDFS after salvage RT at 3 years (PSA > 0.2 ng/ml definition), univariate analysis

From: Salvage radiotherapy for patients with PSA relapse after radical prostatectomy: a single institution experience

  3-year bDFS (%)  
Criterion Yes No p-value
Presurgical PSA ≥10 58.2 48.2 0.8
Gleason score ≥8 40.3 65.2 0.2
High grade (≥4) 52.2 87.5 0.3
   pT3 46.9 69.2 0.08
   pT3b 41.7 60.7 0.2
Positive margin(s) 47.7 61.4 0.3
≥3 positive margins 58.3 58.8 0.7
Perineural invasion 48.3 83.3 0.8
PSA DT ≤12 months 58.8 51.9 0.8
No PSA negativity 48.6 58.2 0.2
PreRT PSA ≥2 ng/ml 33 60.9 0.04
PreRT PSA ≥1 ng/ml 30.1 68.3 0.001
Surgery-RT interval (≤12 months) 36.6 54.8 0.4
RT duration (≥60 days) 54 57.5 1.0
Classical 2D RT 70 45.7 0.2
  1. PSA: Prostate specific antigen; DT: doubling time; RT: radiotherapy.