Table 1

Baseline Clinical Characteristics

All Patients
(N = 664)
Men
(n = 447)
Women
(n = 217)
p Value
Age, yrs64 ± 1363 ± 1365 ± 140.20
Body surface area, m21.91 ± 0.172.00 ± 0.161.73 ± 0.18<0.0001
Body mass index, kg/m226 ± 626 ± 426 ± 9<0.8
Hypertension3635370.60
Diabetes mellitus5460.30
Smoking475434<0.0001
Dyslipidemia4346380.05
Peripheral vascular disease3340.80
Hypertension3635370.60
Coronary artery disease2629200.02
COPD86100.07
Cerebrovascular disease6660.70
Atrial fibrillation2423270.30
Heart failure symptoms261941<0.0001
Charlson Comorbidity Index0 (0, 1)0 (0, 1)0 (0, 1)0.10
Medical therapy
 ACE inhibitors/ARBs5148590.01
 Beta-blockers1715240.006
 Diuretic agents2523310.03

Values are mean ± SD, %, or median (25th, 75th percentiles).

ACE = angiotensin-converting enzyme; ARB = angiotensin receptor blocker; COPD = chronic obstructive pulmonary disease.