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