Age and gender distribution and symptom documentation for each cause of sudden cardiac death (SCD)
| Cause of SCD | Number of cases | Mean age (years) | Male: female distribution | Cardiac symptoms noted immediately before death | Cardiac symptoms noted in past medical history | Cardiac symptoms noted immediately before death and in past medical history |
| Anomalous coronary arteries | 24 | 28 | 19:5 | 1 | 5 | 1 |
| Acute dissection of coronary artery | 8 | 40 | 3:5 | 0 | 3 | 0 |
| Coronary artery vasculitis | 6 | 42 | 3:3 | 4 | 1 | 0 |
| Coronary artery spasm | 6 | 38 | 3:3 | 1 | 1 | 0 |
| Idiopathic arterial calcification of infancy | 3 | 4 | 0:3 | 0 | 3 | 0 |
| Fibromuscular dysplasia | 2 | 21 | 2:0 | 0 | 1 | 1 |
| Benign lipoma of coronary artery | 1 | 52 | 1:0 | 0 | 0 | 0 |