Table 1.
Patients’ Characteristics
| All Patients | ||
|---|---|---|
| Characteristics | N | % |
| Number of patients | 56 | |
| Age (years) | ||
| Median (range) | 71 (51–86) | |
| PSA before RT | ||
| Median (range) | 0.5 (0–45.56) | |
| Gleason score | ||
| 6 | 2 | 3.6 |
| 7 | 27 | 48.2 |
| 8–10 | 27 | 48.2 |
| RT dosage (Gy) | ||
| Mean (range) | 69 (63–72) | |
| Risk groups | ||
| Low | 0 | 0 |
| Intermediate | 9 | 16.1 |
| High | 47 | 83.9 |
| Radical prostatectomy | ||
| No | 17 | 30.4 |
| Yes | 39 | 69.6 |
| Resection | ||
| R0 | 18 | 46.1 |
| R1 | 21 | 53.8 |
| R2 | 0 | 0 |
| Biochemical relapse post-radical prostatectomy | ||
| No | 19 | 48.7 |
| Yes | 20 | 51.3 |
| Reason for RT administration | ||
| Adjuvant post R1 resections | 19 | 33.9 |
| Definitive treatment as single modality | 17 | 30.4 |
| Salvage treatment for rising PSA after surgery | 20 | 35.7 |
| Anti-androgen treatment during RT | ||
| Yes | 37 | 66.1 |
| No | 19 | 33.9 |
| Extra-prostatic extension | ||
| Yes | 31 | 55.3 |
| No | 13 | 23.2 |
| No data | 12 | 21.4 |
| Perineural invasion | ||
| Yes | 24 | 42.8 |
| No | 15 | 26.7 |
| No available data | 17 | 30.3 |
| Characteristics | N | % |
| Seminal vesicles invasion | ||
| Yes | 18 | 32.2 |
| No | 25 | 44.6 |
| No available data | 13 | 23.2 |
| Lymph node infiltration | ||
| Yes | 6 | 10.7 |
| No | 36 | 64.3 |
| No available data | 14 | 25.0 |
| Biochemical relapse post-RT | ||
| Yes | 15 | 26.8 |
| No | 41 | 73.2 |
| Death | ||
| Yes | 9 | 16.1 |
| No | 47 | 83.9 |
Abbreviations: Low risk, Τ1a-T2a, Gleason=6, PSA<10 ng/mL; intermediate risk, T2b-T2c, Gleason=7, PSA 10–20 ng/mL; high risk, Τ≥T3a or Gleason score=8–10 or PSA>20 ng/mL; Gy, Gray.