Cardiovascular screening frequency performed by countries participating in the Rio 2016 Olympic Games that screen all or most athletes
| Component | Initial, n (%) | More than initial but less than annual, n (%) | Annual, n (%) |
| Personal history | 5 (5.8) | 15 (18.5) | 47 (58.0) |
| Family history | 19 (23.5) | 12 (15.0) | 40 (50.0) |
| Physical examination | 28 (35.0) | 17 (20.7) | 61 (74.4) |
| ECG | 4 (4.9) | 15 (21.4) | 49 (70.0) |
| Echocardiogram | 6 (8.6) | 12 (40.0) | 14 (46.7) |
| Stress test | 4 (13.3) | 10 (34.5) | 17 (58.6) |