Stereotactic body radiotherapy with or without external beam radiation as treatment for organ confined high-risk prostate carcinoma: a six year study

Table 2 Relative risk and P value from cox regression multivariable analysis for pretreatment predictors of biochemical failure

Pretreatment predictor	RR	95% CI	P
Hormones	1.61	7.4-3.7	0.24
EBRT	0.89	0.41-1.92	0.76
PSA (<11.5 vs ≥11.5)	3.9	1.74-9.35	0.0009
T-stage (T1 vs T2)	1.67	0.71-3.67	0.24
Gleason score (≤7 vs ≥8)	1.81	0.79-4.41	0.16

ISSN: 1748-717X