Achieving PSA < 0.2 ng/ml before Radiation Therapy Is a Strong Predictor of Treatment Success in Patients with High-Risk Locally Advanced Prostate Cancer

Table 3

Multivariate analysis of factors affecting overall survival.

Variables	Univariate analysis		Multivariate analysis
	HR (95% CI)	-value	HR (95% CI)	-value
Age ≤ 70 y.o.	0.503 (0.264–0.955)	0.036	0.514 (0.267–0.990)	0.046
Initial PSA ≤ 20 ng/ml	0.565 (0.284–1.124)	0.104
T stage ≤ T2c	0.340 (0.151–0.765)	0.009	0.441 (0.149–1.307)	0.140
Gleason score ≤ 7	0.506 (0.249–1.031)	0.061	0.568 (0.259–1.248)	0.159
NCCN risk factor = 1	0.268 (0.119–0.605)	0.002	0.543 (0.174–1.698)	0.294
Anti-androgen +	1.164 (0.596–2.274)	0.657
Pre-RT PSA < 0.2 ng/ml	0.484 (0.257–0.910)	0.024	0.493 (0.258–0.941)	0.032
NAHT ≤ 6mo	0.916 (0.486–1.723)	0.784