Variable | Log transformed AHI | Log transformed ODI | ||
β (95% CI) | p Value | β (95% CI) | p Value | |
Right ventricle | ||||
Systolic volume index | 1.6 (0.8 to 2.5) | 0.0002 | 1.2 (0.2 to 2.1) | 0.017 |
Ejection fraction | −2.7 (−4.0 to −1.3) | 0.0001 | −2.0 (−3.5 to −0.5) | 0.009 |
Myocardial performance index | 0.033 (0.021 to 0.046) | <0.0001 | 0.025 (0.011 to 0.040) | 0.0007 |
Left ventricle | ||||
Left ventricular mass index | 0.31 (−0.78 to 1.39) | NS | 0.62 (−0.54 to 1.78) | NS |
Relative wall thickness | 0.003 (−0.006 to 0.011) | NS | 0.006 (−0.003 to 0.015) | NS |
Interventricular septal thickness index | 0.007 (−0.004 to 0.018) | NS | 0.015 (0.003 to 0.026) | 0.016 |
E/e′ | 0.21 (0 to 0.42) | 0.05 | 0.17 (−0.05 to 0.40) | NS |
AHI, apnoea–hypopnoea index; E/e′, ratio of mitral early peak velocity/mitral annulus early peak velocity; ODI, oxygen desaturation index.