Table 1.

Baseline characteristics

Mean age, range (years)	66, 45–89
Gender (men/women)	40/7
Co-existing disease
Heart failure	41%
Hypertension	45%
Diabetes mellitus	22%
Coronary artery disease factors and revascularization status
CAD diagnosis (years; mean, range)	13, 1–35
Prior myocardial infarction	64%
Left ventricular ejection fraction
EF ≥ 50%	59%
40% ≤ EF < 50%	30%
30% ≤ EF < 40%	9%
EF < 30%	2%
Prior PCI	62%
Prior CABG surgery	79%
Prior PCI and CABG surgery	49%
Angina CCS class (% of patients)
I	0
II	11%
III	74%
IV	15%

CAD = Coronary Artery Disease, CABG = Coronary Artery Bypass Graft, PCI = Percutaneous Coronary Intervention, CCS = Canadian Cardiovascular Society Classification