Comparison of demographics between athletes and controls*
| Parameters | Athletes (n=1146) | Controls (n=415) | p Value |
|---|---|---|---|
| Age (years) | 20.9±6.0 | 22.1±6.4 | 0.001 |
| Body surface area (m2) | 2.01±0.34 | 1.98±0.36 | 0.240 |
| Systolic blood pressure (mmHg) | 120±12.6 | 115±14.9 | 0.023 |
| Sex n (%) | 0.315 | ||
| Male | 63.3 | 56.9 | |
| Female | 36.7 | 43.1 | |
| Ethnicity n (%) | 0.0001 | ||
| Caucasian | 80.5 | 60.4 | |
| African/Afro-Caribbean | 12.7 | 29.0 | |
| Asian | 1.8 | 4.1 | |
| Mixed race | 2.5 | 3.4 | |
| Other ethnicity | 1.7 | 3.1 | |
| Hours of training/week | 17.7±2.0 | 1.67±1.27 | 0.0001 |
*Data expressed as mean±SD.