TABLE 2.

Cox proportional hazards analysis of factors predicting time to biochemical recurrence following radical prostatectomy among patients who were candidates for active surveillance in the SEARCH database

	Hazards Ratio	95% CI	p Value
Univariate analysis:
Serum PSA	1.09	0.95 – 1.25	0.21
Black race	1.67	0.92 – 3.06	0.09
Age	1.07	1.02 – 1.13	0.01
Year of surgery	0.97	0.88 – 1.06	0.48
Clinical stage (T2 vs. T1)	0.81	0.41 – 1.60	0.55
Number of cores positive (2 vs. 1)	1.16	0.63 – 2.14	0.63
Agent Orange exposure	2.08	1.06 – 4.07	0.03
Body mass index (relative to normal weight)
Overweight	0.81	0.35 – 1.86	0.62
Obese	1.80	0.87 – 3.75	0.12
Multivariate analysis:
Age	1.08	1.03 – 1.14	0.004
Agent Orange exposure	2.37	1.19 – 4.71	0.01
Obesity	1.86	1.01 – 3.40	0.045