Incidence studies in college athletes
| Author | Year | Country | Study design | Case identification | Denominator | Exertional deaths of all? | SCD or SCA+SCD | Years studied | Population | Incidence | Number of years | Age range | Mean age | Number of cardiac deaths |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Drezner29 | 2005 | USA | Retrospective survey | Survey answered by 244/326 (75%) Div I NCAA institutions | Number of athletes at surveyed schools | All | SCD | College athletes | 1:67 000 | 3.3 | 5 | |||
| Harmon3 | 2011 | USA | Retrospective cohort | Parent Heart Watch database, NCAA Resolutions list, insurance claims—capture–recapture analysis demonstrated 90–100% of deaths were likely identified | Participation data from NCAA | All | SCD | 2004–2008 | College athletes | 1:43 000 | 5 | 18–26 | 20 | 37 |
| Maron7 | 2014 | USA | Retrospective cohort | US Registry for Sudden Death in Athletes and NCAA resolutions list for cardiac cases | Participation data from NCAA | All | SCD | 2002–2011 | College athletes | 1:83 000—confirmed 1:62 000—presumed | 10 | 17–26 | 20 | 64 |
SCA, sudden cardiac arrest; SCD, sudden cardiac death.