Table 2.
Results of the meta-analysis comparing OSA patients and healthy controls. RVID: right ventricular basal diameter measured at end-diastole; RVWT: right ventricular wall thickness; RV MPI: right ventricular myocardial performance index; RV S': tricuspid annular systolic velocity; TAPSE: tricuspid annular plane systolic excursion; RV FAC: right ventricular fractional area change; OSA: obstructive sleep apnea; WMD: weighted mean difference; CI: confidence interval.
| Echocardiographic parameters | Number of studies | OSA/control | WMD (95% CI) | p value | Study heterogeneity | Egger's test p value | ||
|---|---|---|---|---|---|---|---|---|
| I 2 | χ 2 | p value | ||||||
| RVID | 16 | 902/596 | 2.49 (1.62, 3.37) | 0.000 | 96.8% | 647.61 | 0.000 | 0.001 |
| RVWT | 9 | 579/397 | 0.82 (0.51, 1.13) | 0.000 | 95.6% | 344.56 | 0.000 | 0.671 |
| RV MPI | 14 | 864/434 | 0.08 (0.06, 0.10) | 0.000 | 84.1% | 157.39 | 0.000 | 0.150 |
| RV S' | 14 | 639/391 | −0.95 (−1.59, −0.32) | 0.003 | 88.4% | 190.21 | 0.000 | 0.347 |
| TAPSE | 11 | 655/378 | −1.76 (−2.73, −0.78) | 0.000 | 89.3% | 187.24 | 0.000 | 0.462 |
| RV FAC | 6 | 422/239 | −3.16 (−5.60, −0.73) | 0.011 | 80.2% | 70.83 | 0.000 | 0.006 |