Population characteristics
| Total (N = 428) | |
| Age, years | |
| Average | 22 (SD 5) |
| Range | 12–35 |
| Sex, n (%) | |
| Male | 322 (75) |
| Female | 106 (25) |
| Reason for screening, n (%) | |
| Mandatory | 327 (77) |
| Cardiovascular symptoms | 32 (7) |
| Other health issue(s) | 69 (16) |
| Sport, n (%) | |
| Rowing | 146 (34) |
| Soccer | 91 (21) |
| Cycling | 81 (19) |
| Running | 25 (6) |
| Ice-skating (speed) | 20 (5) |
| Other | 65 (15) |