| Etiology | Effectives | Percentage |
| Dilated cardiomyopathy | 98 | 36.8% |
| Peripartum cardiomyopathy | 85 | 32% |
| Ischemic heart disease | 43 | 16.2% |
| Restrictive heart disease | 15 | 5.6% |
| Hypertrophic heart disease | 12 | 4.5% |
| Chronic heart pulmonale | 7 | 2.6% |
| Mitral stenosis | 3 | 1.1% |
| Others | 3 | 1.1% |