Results of Univariate Analysis (Variables with P Value < 0.10)
| cRFS | bRFS | |||
| Variable | HR (95% CI) | P | HR (95% CI) | P |
| MTV60 > 0.64 (yes/no) | 3.7 (1.3–10.7) | 0.007 | 2.3 (1.0–5.2) | 0.040 |
| Duration ADT before HTT (mo) | 1.017 (1.004–1.030) | 0.014 | 1.020 (1.008–1.032) | 0.005 |
| PSA (ng/mL) | 1.07 (1.002–1.14) | 0.040 | 1.059 (0.995–1.032) | 0.070 |
| PTV volume (cm3) | 0.999 (0.998–1.000) | 0.070 | 0.999 (0.998–1.000) | 0.007 |
| Extrapelvic disease (yes/no) | 6.8 (2.2–21.0) | 0.0008 | 3.9 (1.7–8.9) | 0.001 |
| ADT during/after HTT | 0.12 (0.04–0.42) | 0.009 | 0.51 (0.23–1.10) | 0.090 |
PTV = planning target volume.