Table 1.

Study Population Demographics

Demographics		(N = 371)
Age (y)		58.5 ± 10.0
Testosterone (ng/dL)*		234 ± 59.2
Race
	Caucasian	96.0%
	Black	1.4%
	Hispanic	2.2%
	Other	0.5%
Cause of Hypogonadism†
	Primary (n = 22)	5.9%
	Secondary (n = 348)	93.8%
	Aging	65.8 (%)‡
	Normogonadotrophic	24.3 (%)‡

*8 A.M. serum testosterone concentration at screening exam.

^†One patient had missing cause of hypogonadism.

^‡Distribution by cause is shown only if it occurred in 4% of patients.

Data presented as mean ± SD.