Table 2.

Multivariate predictors of biochemical failure after brachytherapy (N = 4609)

	HR (SE)
Race (ref: Caucasian)
African American	1.43 (0.13)***
PSA bounce (ref: No bounce)
PSA bounce	0.76 (0.12)**
Treatment (ref: brachytherapy + EBRT)
Brachytherapy	0.99 (0.17)
T-stage (ref: T2a or lower)
T2b-T2c	0.77 (0.22)
N-stage (ref: N0)
N unknown	0.74 (0.39)
Baseline PSA (ref: <10 ng/mL)
10–20	1.42 (0.16)**
Unknown	1.93 (0.73)
Marital status (ref: married)
Not married	1.11 (0.11)
Unknown	7.00 (1.01)*
Risk group (ref: low risk)
Intermediate risk	1.57 (0.13)***
Age at diagnosis	1.00 (0.01)

EBRT = external beam radiation therapy; HR = hazard ratios reported; SE = standard errors.

Results represent output of Cox regression model.

^***p < 0.01;

^**p < 0.05;

^*p < 0.10.

Model included diagnosis year variables.