Table 4.
Comparison of demographic and echocardiographic variables between athletes with enlarged LV cavity and athletes with LV cavity size within predicted limits
| LV cavity size within normal limits | LV cavity size exceeding predicted upper limits | p Value | |
| Number | 783 | 117 | |
| Age (years) | 15.6 (1.3) | 15.7 (1.2) | <0.05 |
| Height | 171.0 (8.5) | 175.4 (9.3) | <0.05 |
| Weight (kg) | 62.5 (9.2) | 68.8 (10.6) | <0.05 |
| BSA (m2) | 1.73 (0.16) | 1.84 (0.18) | <0.05 |
| Heart rate (beats/min) | 53.7 (5.2) | 45.7 (3.8) | <0.05 |
| Training intensity (hours/week) | 4.32 (1.45) | 4.44 (1.85) | NS |
| Left atrial diameter (mm) | 32.4 (4.8) | 34.8 (4.0) | <0.05 |
| LVEDD (mm) | 50.0 (3.3) | 55.8 (2.0) | <0.05 |
| MLVWT (mm) | 9.5 (1.3) | 10.1 (1.3) | <0.05 |
| Aortic root diameter (mm) | 28.6 (3.5) | 30.0 (3.4) | <0.05 |
| LV mass (g) | 190.3 (60.1) | 262.9 (66.1) | <0.05 |
| E wave (m/s) | 0.86 (0.15) | 0.91 (0.17) | <0.05 |
| A wave (m/s) | 0.41 (0.11) | 0.43 (0.11) | NS |
| E:A ratio | 2.25 (0.72) | 2.19 (0.63) | NS |
Values are mean (SD).