Table 1

Baseline Clinical Characteristics (N = 539)

Age, yrs48.1 ± 15.4
Male343 (63.6)
Caucasian504 (93.5)
Ischemic heart disease61 (11.3)
Diabetes mellitus53 (9.8)
Hypertension77 (14.3)
Smoker58 (10.8)
ACE inhibitor use225 (41.7)
Beta-blocker use223 (41.4)
Statin use140 (26.0)
Aspirin use159 (29.5)

Values are mean ± SD or n (%).

ACE = angiotensin-converting enzyme.