Table 2.

Univariate analysis of factors affecting biochemical free survival

Factor	HR (95% CI)	p-value
GS	1.299 (1.009–1.672)	0.042
< 8	1 (reference)	–
8–10	2.007 (1.129–3.569)	0.018
bPSA (ng/ml)	1.009 (1.001–1.017)	0.024
≤ 20 ng/ml	1 (reference)	–
> 20 ng/ml	1.767 (0.970–3.218)	0.063
T-stage	2.226 (1.410–3.515)	0.001
T1-T2	1 (reference)	–
T3-T4	3.079 (1.691–5.608)	<0.001
nPSA (ng/ml)	2.667 (1.79–3.973)	<0.001
< 0.06	1 (reference)	–
≥ 0.06	3.887 (1.988–7.599)	<0.001
RT dose (Gy)	0.837 (0.703–0.996)	0.045
PSA pre-RT (ng/ml)	1.056 (1.0–1.114)	0.048
ADT duration (months)	0.996 (0.970–1.023)	0.784
Age (years)	0.968 (0.926–1.012)	0.148
Time to Nadir (months)	0.999 (0.969–1.031)	0.965