Results of Multivariate Analysis (Variables with P Value < 0.05)
| cRFS | bRFS | |||
| Variable | HR (95% CI) | P | HR (95% CI) | P |
| MTV60 > 0.64 (yes/no) | 4.1 (1.4–12.1) | 0.010 | 3.5 (1.3–9.4) | 0.014 |
| Extrapelvic disease (yes/no) | 7.3 (2.4–22.1) | 0.0005 | 6.4 (2.6–15.7) | 0.0001 |
| Duration ADT before HTT (mo) | NS | NS | 1.021 (1.007–1.035) | 0.004 |
| PTV volume (cm3) | NS | NS | 0.999 (0.998–1.000) | 0.001 |
| ADT during/after HTT | NS | NS | 0.31 (0.12–1.10) | 0.016 |
NS = not significant; PTV = planning target volume.