The role of androgen deprivation therapy on biochemical failure and distant metastasis in intermediate-risk prostate cancer: effects of radiation dose escalation

Table 5 Cox models for biochemical failure: initial, stratified, PS as covariate

	Initial cox			Stratified by PS quintiles			Cox with PS as covariate
Variable	Hazard	95% CI	p-value	Hazard	95% CI	p-value	Hazard	95% CI	p-value
	Ratio			Ratio
Age	1.003	0.983-1.024	0.76	1.005	0.984-1.026	0.666	1.004	0.984-1.025	0.684
Pre-treatment PSA	1.079	1.042-1.111	<0.001	1.065	1.026-1.105	0.001	1.056	1.020-1.093	0.002
Gleason Score	1.118	1.021-1.393	0.026	1.187	0.997-1.414	0.054	1.13	0.968-1.319	0.122
Year of diagnosis	0.923	0.875-9.74	0.004	0.888	0.821-0.961	0.003	0.875	0.816-0.941	<0.001
T-stage	1.164	0.987-1.373	0.072	1.09	0.899-1.323	0.379	1.053	0.873-1.272	0.588
Radiation dose (high vs low)	0.864	0.572-1.306	0.489	0.835	0.541-1.290	0.417	0.845	0.552-1.272	0.44
Adjuvant hormone use (yes vs no)	0.599	0.364-0.978	0.04	0.483	0.287-0.813	0.006	0.492	0.292-0.829	0.008
Propensity Score							4.679	1.172-18.682	0.029

ISSN: 1471-2407