Causes of sudden cardiac death in the young (autopsy-proven)
| Study | Country | N | Age range | Incidence (n/100,000/year) | Ath CAD (%) | CAA (%) | Myocarditis (%) | HCM (%) | ARVC (%) | Structurally normal heart (%) | Other (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Winkel et al 23 | Denmark | 314 | 1–35 | 1.9 | 13 | 1 | 7 | 0.6 | 5 | 43 | 30 |
| Thiene et al 4 | Italy | 650 | 1–35 | 1 | 18 | 5 | 14 | 10 | 10 | 17 | 26 |
| Bagnall et al 24 | Australia/New Zealand | 490 | 1–35 | 1.3 | 24 | 7 | 16 | 13 | 40 | ||
| Finocchiaro et al 25 | UK | 258a | 7–35 | – | 1.4 | 6 | 2 | 7.4 | 11.6 | 47.6 | 24 |
| Maron et al 26 | USA | 868a | 14–23 | – | 4.4 | 18 | 6.5 | 35 | 5 | 3 | 28 |
| Wisten et al 27 | Sweden | 552 b | 1–35 | 1.3 | 15 | 1 | 14 | 5 | 4 | 31 | 30 |
↵aYoung competitive athletes; b393 autopsy-proven. ARVC = arrhythmogenic right ventricular cardiomyopathy; Ath CAD = atherosclerotic coronary artery disease; CAA = coronary artery anomaly; HCM = hypertrophic cardiomyopathy