Table 1.
Cohort not matched
| Total (n = 185) | SSRT (n = 90) | SRT (n = 95) | p-value | |
|---|---|---|---|---|
| Age median (IQR) | ||||
| 62 (58–71) | 71 (66–76) | 58 (54–61) | < 0.001 | |
| Gleason score | ||||
| ≤ 7 | 147 (79.46) | 66 (73.33) | 81 (85.26) | 0.06 |
| > 7 | 38 (20.54) | 24 (26.67) | 14 (14.74) | |
| Pathological T | ||||
| 2 | 110 (59.46) | 46 (51.11) | 64 (67.37) | 0.06 |
| 3 | 68 (36.76) | 39 (43.33) | 29 (30.53) | |
| Unknown | 7 (3.78) | 5 (5.56) | 2 (2.11) | |
| Pathological N | ||||
| 0 | 109 (58.92) | 58 (64.44) | 51 (53.68) | 0.22 |
| 1 | 11 (5.95) | 5 (5.56) | 6 (6.32) | |
| X | 63 (34.05) | 25 (27.78) | 38 (40) | |
| Unknown | 2 (1.08) | 2 (2.22) | 0 (0) | |
| PSA pre-median (IQR) | ||||
| 8.8 (6.1–12) | 8.3 (5.9–12) | 9 (6.7–12.7) | 0.86 | |
| Biochemical PSA median (IQR) | ||||
| 1.1 (0.4–2.3) | 0.9 (0.3–1.4) | 1.7 (0.8–3.7) | < 0.001 | |
| Time to relapse < 36 months | ||||
| Yes | 108 (58.38) | 49 (54.44) | 59 (62.11) | 0.36 |
| No | 77 (41.62) | 41 (45.56) | 36 (37.89) | |
| Clinical PSA median (IQR) | ||||
| 1.4 (0.6–2.5) | 1.4 (0.9–2.2) | 1.3 (0.4–2.7) | 0.88 | |
| Hormonal therapy | ||||
| Yes | 71 (38.38) | 17 (18.89) | 54 (56.84) | < 0.001 |
| No | 114 (61.62) | 73 (81.11) | 41 (43.16) | |
Significant results are highlighted in bold
SSRT Stereotactic salvage radiation therapy, SRT Salvage radiation therapy