|Testosterone (n = 35)||Placebo (n = 35)|
|Age (yrs), median (interquartile range)||71 (67–76)||69 (66–74)|
|Cause of heart failure, CAD/IDC||26/9||28/7|
|NYHA functional class, II/III||18/17||20/15|
|Aldosterone receptor blockers||16||14|
Hypogonadism was defined as total testosterone <3.5 ng/ml and free testosterone <2.5 pg/ml. No significant differences were found for any of the comparisons shown. Variables are reported as absolute numbers.
ACE = angiotensin-converting enzyme; CAD = coronary artery disease; IDC = idiopathic dilated cardiomyopathy; NYHA = New York Heart Association.