Table 1 Study Population
Baseline characteristics | |
|---|---|
A | |
Male | 57% |
Female | 43% |
Age (years±SD) | 54 (±17) |
Family history of dilated cardiomyopathy | 10% |
Family history of CAD | 18% |
NYHA class | |
I | 26% |
II | 49% |
III | 24% |
IV | 1% |
Ejection fraction (±SD) | 38% (±11%) |
History of alcohol excess | 7% |
Preceding flu-like illness | 8% |
Comorbidities | |
Diabetes | 28% |
Hypertension | 75% |
Atrial fibrillation | 17% |
Muscular dystrophy | 3% |
Prior revascularizations | |
CABG | 7% |
PCI | 29% |
Cardiac diagnostics | |
Prior SPECT | 18% |
Prior echocardiogram | 100% |
Prior coronary angiogram | 59% |
Referral indications | |
Assessment of cardiomyopathy of unknown etiology | 59% |
Assessment of viability | 31% |
Assessment of suspected myocarditis | 5% |
Other | 5% |