Table 1.

Characteristics of the study population (N = 502)

Characteristic
Male	383 (76.3%)
Race
White	428 (85.3%)
Hispanic	15 (3.0%)
Black	13 (2.6%)
Asian	13 (2.6%)
Other	33 (6.6%)
Age (mean ± standard deviation; years)	62 ± 11
Height (mean ± standard deviation; cm)	168 ± 4
Weight (mean ± standard deviation; kg)	87.4 ± 8.6
Primary diagnosis
Coronary artery bypass graft	243 (48.4%)
Percutaneous coronary intervention	120 (23.9%)
Valve surgery	107 (21.3%)
Myocardial infarction	18 (3.6%)
Other	14 (2.8%)