Demographics and Clinical Characteristics
| Demographic/ characteristic | Group A (n = 15) | Group B (n = 15) | P |
|---|---|---|---|
| Age | 73 ± 12 | 65 ± 13 | NS |
| Sex (male/female) | 8/7 | 9/6 | NS |
| LVEF (%) | 34 ± 5 | 34 ± 5 | NS |
| NYHA functional class | |||
| III | 10 | 11 | NS |
| IV | 5 | 4 | NS |
| Diagnosis | |||
| OMI | 8 | 8 | NS |
| DCM | 4 | 4 | NS |
| Valvular disease | 3 | 3 | NS |
NS = not statistically significant; OMI = old myocardial infarction; DCM = idiopathic dilated cardiomyopathy.