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Table 2 Results of univariate analysis

From: Dose-escalated salvage radiotherapy after radical prostatectomy in high risk prostate cancer patients without hormone therapy: outcome, prognostic factors and late toxicity

Factor   48 months bRFS% p-value
Tumor size T2 71 0.2
T3, T4 54
Gleason score ≤ 7 70 0.039
> 7 44.2
Initial PSA ≤ 10 60 0.4
>10-20 73.2
>20 25
Resection margin R0 + Rx 55.8 0.04
R1 77
Local recurrence Yes 61 0.2
No 63
Pre-radiation PSA ≤ 0.5 70 0.043
> 0.5 51
Dose = 66 Gy 63.6 0.1
> 66 Gy < 70 Gy 85.7
  ≥70 Gy 52.5