Table 2.
Demographics and CMR parameters of professional soccer players and competitive triathletes
| Soccer players (n = 23) | Triathletes (n = 19) | p value | |
|---|---|---|---|
| Demographics | |||
| Age (years) | 22 ± 4 | 28 ± 6 | < 0.001 |
| Weight (kg) | 77 ± 9 | 74 ± 8 | 0.290 |
| Height (m) | 1.83 ± 0.07 | 1.83 ± 0.06 | 0.855 |
| BMI (kg/m2) | 23 ± 2 | 22 ± 2 | 0.116 |
| BSA (m2) | 1.99 ± 0.14 | 1.96 ± 0.13 | 0.491 |
| CMR—left heart | |||
| LV ejection fraction (%) | 58 ± 4 | 59 ± 3 | 0.328 |
| Heart rate (beats/min) | 53 ± 9 | 56 ± 10 | 0.391 |
| IVS thickness in ED (mm) | 11.5 ± 1.7 | 10.5 ± 1.1 | < 0.05 |
| LV lateral wall thickness in ED (mm) | 10.9 ± 1.5 | 9.3 ± 1.4 | < 0.01 |
| Septal/lateral wall thickness ratio | 1.07 ± 0.2 | 1.13 ± 0.1 | 0.183 |
| LV diameter in ED (mm) | 5.6 ± 0.3 | 5.6 ± 0.3 | 0.890 |
| LVMi (g/m2) | 87 ± 15 | 75 ± 13 | < 0.05 |
| LVEDVi (ml/m2) | 107 ± 10 | 102 ± 12 | 0.168 |
| LVESVi (ml/m2) | 45 ± 5 | 42 ± 5 | 0.071 |
| LVSVi (ml/m2) | 62 ± 8 | 60 ± 8 | 0.467 |
| Relative wall mass ratio (LVMi/LVEDVi) | 0.82 ± 0.12 | 0.74 ± 0.10 | < 0.05 |
| LAEDVi (ml/m2) | 20 ± 6 | 17 ± 5 | 0.272 |
| CMR—right heart | |||
| RV ejection fraction (%) | 57 ± 5 | 59 ± 5 | 0.222 |
| RVEDVi (ml/m2) | 104 ± 13 | 102 ± 14 | 0.510 |
| RVESVi (ml/m2) | 45 ± 8 | 42 ± 9 | 0.242 |
| RVSVi (ml/m22) | 60 ± 9 | 60 ± 9 | 0.991 |
| RAEDVi (ml/m2) | 28 ± 8 | 23 ± 7 | < 0.05 |
| Strain parameters | |||
| LV radial (%) | 38 ± 8 | 43 ± 7 | < 0.05 |
| LV longitudinal (%) | − 16 ± 2 | − 17 ± 2 | < 0.05 |
| LV circumferential (%) | − 15 ± 3 | − 15 ± 2 | 0.634 |
| RV longitudinal (%) | − 18 ± 2 | − 20 ± 3 | < 0.05 |
| RV circumferential (%) | − 9 ± 3 | − 8 ± 2 | 0.101 |
Values are mean ± SD for continuous data. Bold characters indicate statistically significant values (p < 0.05)
BMI body mass index, BSA body surface area, ED end-diastole, IVS interventricular septum, LAEDVi left atrial end-diastolic volume index, LVEDVi left ventricular end-diastolic volume index, LV left ventricular, LVESVi left ventricular end-systolic volume index, LVMi left ventricular mass index, LVSVi left ventricular stroke volume index, RAEDVi right atrial end-diastolic volume index, RV right ventricular, RVEF right ventricular ejection fraction, RVEDVi right ventricular end-diastolic volume index, RVESVi right ventricular end-systolic volume index, RVSVi right ventricular stroke volume index