Cause of sudden cardiac death according to histopathological findings
| Diagnoses | ⩽35 | >35 | Total | |
| Cardiomyopathy | 49 | 24 | 73 | |
| Idiopathic left ventricular hypertrophy | 19 | 8 | 27 | |
| Idiopathic left ventricular hypertrophy with fibrosis | 3 | 6 | 9 | |
| Arrhythmogenic right ventricular cardiomyopathy | 9 | 7 | 16 | |
| Hypertrophic cardiomyopathy | 11 | 2 | 13 | |
| Idiopathic fibrosis | 6 | 1 | 7 | |
| Undetermined cardiomyopathy | 1 | 0 | 1 | |
| Morphologically normal heart | 26 | 1 | 27 | |
| Coronary artery pathology | 7 | 4 | 11 | |
| Anomalous coronary artery | 6 | 0 | 6 | |
| Atherosclerosis | 0 | 3 | 3 | |
| Coronary “spasm” | 1 | 0 | 1 | |
| Coronary dissection | 0 | 1 | 1 | |
| Other cardiac pathology | 7 | 0 | 7 | |
| Myocarditis | 3 | 0 | 3 | |
| Floppy mitral valve | 2 | 0 | 2 | |
| Complex congenital heart disease | 1 | 0 | 1 | |
| Sickle cell crisis | 1 | 0 | 1 |