Table 2. Comparison of echocardiographic indices between obese and non-obese adolescents.
| Obese subjects (n = 52) | Non-obese subjects (n = 38) | p | ||
|---|---|---|---|---|
| M-mode | LV EDD (mm) | 48.6±4.7 | 43.9±4.3 | <0.001* |
| LV ESD (mm) | 31.5±4.6 | 29.0±3.6 | 0.006* | |
| IVSd (mm) | 7.8±1.4 | 6.0±0.9 | <0.001* | |
| LV PWd (mm) | 7.3±1.2 | 5.9±0.9 | <0.001* | |
| LV shortening fraction (%) | 35.2±4.9 | 34.0±5.2 | 0.26 | |
| LV mass (g) | 138.4±41.1 | 81.6±27.3 | <0.001* | |
| BSA-indexed LV mass (g/m 2 ) | 68.5±16.8 | 51.9±15.3 | <0.001* | |
| LV mass/height 1.7 (g/m) | 57.9±15.1 | 34.8±10.8 | <0.001* | |
| Transmitral velocities | E (cm/s) | 92.7±14.8 | 88.7±13.9 | 0.20 |
| A (cm/s) | 46.9±9.1 | 41.6±8.9 | 0.008* | |
| E/A ratio | 2.1±0.5 | 2.2±0.5 | 0.11 | |
| E deceleration time(ms) | 117.3±19.3 | 115.8±20.0 | 0.73 | |
| Mitral annular tissue velocities | s (cm/s) | 6.6±1.3 | 7.27±1.36 | 0.016* |
| e (cm/s) | 10.4±2.6 | 10.75±2.01 | 0.45 | |
| a (cm/s) | 5.4±1.3 | 4.71±1.54 | 0.026* | |
| e/a ratio | 2.0±0.8 | 2.4±0.7 | 0.013* | |
| E/e Ratio | 9.5±2.7 | 8.5±1.7 | 0.034* | |
| IVA (cm/s 2 ) | 1.01±0.49 | 0.99±0.48 | 0.83 |
Abbreviations: A, transmitral late diastolic velocity, a, mitral annular late diastolic tissue velocity, BSA, body surface area, E, transmitral early diastolic velocity, e, mitral annular early diastolic tissue velocity, EDD, end-diastolic dimension, ESD, end-systolic dimension, IVSd, interventricular septal thickness at diastole, IVA, myocardial acceleration during isovolumic contraction, LV, left ventricular, PWd, posterior wall thickness at diastole
*statistically significant