Changes in right ventricular and atrial morphological parameters in obstructive sleep apnoea (OSA) and central sleep apnoea (CSA)
| OSA | CSA | p-value | |
| Subjects n | 15 | 14 | |
| RVEDV mL | 17±22 | 11±3.6 | 0.492 |
| RVEDV index mL·m−2 | 8±11 | 5±12 | 0.561 |
| RVESV mL | 4±14 | 1±15 | 0.583 |
| RVESV index mL·m−2 | 2±3.6 | 1±8 | 0.634 |
| RA-DA cm2 | 3.1±3.0 | 2.7±4.6 | 0.807 |
| RA-SA cm2 | 1.7±2.2 | 2.3±3.7 | 0.572 |
Data are presented as mean±sd, unless otherwise stated. RVEDV: right ventricular end-diastolic volume; RVESV: right ventricular end-systolic volume; RA-DA: right atrial diastolic area; RA-SA: right atrial systolic area.