Table 2.
Results of the meta-analysis comparing OSAS patients and controls
| Echocardiographic parameters | Number of studies | OSAS/control | WMD (95%CI) | p | Study heterogeneity | Egger’s test p | Begg’s test p | ||
|---|---|---|---|---|---|---|---|---|---|
| I 2 (%) | χ2 | p | |||||||
| LVEDD (mm) | 13 | 563/319 | 1.24 (0.68, 1.80) | <0.001 | 0.0 | 9.52 | 0.658 | 0.431 | 0.951 |
| LVESD (mm) | 11 | 396/234 | 1.14 (0.47, 1.81) | 0.001 | 0.0 | 7.31 | 0.696 | 0.722 | 1.00 |
| LVM | 6 | 304/128 | 35.34 (20.67, 50.00) | <0.001 | 79.1 | 66.05 | <0.001 | 0.914 | 0.917 |
| LVEF (%) | 15 | 710/394 | −3.01 (−1.90, −0.79) | 0.001 | 64.7 | 39.72 | <0.001 | 0.048 | 0.038 |
| LAD | 7 | 311/157 | 2.13 (1.48, 2.77) | <0.001 | 2.2 | 6.13 | 0.408 | 0.072 | 0.05 |
| LAVI | 3 | 159/69 | 3.96 (3.32, 4.61) | <0.001 | 0.0 | 1.62 | 0.445 | 0.735 | 1.000 |
OSAS obstructive sleep apnea syndrome, LVEDD left ventricular diastolic diameter, LVESD left ventricular systolic diameter, LVM left ventricular mass, LVMI left ventricular mass index, LVEF LV ejection fraction, E early diastolic peak flow velocity, A late diastolic peak flow velocity, CI confidence interval