Table 2.
Echocardiographic parameters comparisons.
| Variables | Overall (N = 286) | No OSAHS (N = 16) | Mild OSAHS (n = 38) | Moderate OSAHS (n = 89) | Severe OSAHS (n = 143) |
|---|---|---|---|---|---|
| RVID, mm# | 22.0 (20.0, 24.0) | 20.5 (19.3, 22.0)‡ | 22.0 (20.0, 23.0) | 22.0 (21.0, 24.0) | 22.0 (21.0, 24.0) |
| IVS, mm# | 10.0 (10.0, 12.0) | 10.0 (9.0, 10.0) | 10.0 (9.0, 11.0) | 10.0 (10.0, 12.0) | 11.0 (10.0, 12.0)& |
| LVPW, mm# | 10.0 (9.0, 11.0) | 9.0 (9.0, 10.0) | 10.0 (9.0, 10.0) | 10.0 (9.0, 10.0) | 10.0 (9.0, 11.0) |
| LVIDd, mm# | 48.0 (45.0, 51.0) | 44.0 (42.0, 46.8)‡ | 48.0 (44.8, 51.0) | 48.0 (45.0, 51.5) | 48.0 (45.0, 52.0) |
| LVIDs, mm | 31.3 ± 4.1 | 28.4 ± 3.1 | 30.8 ± 4.3 | 31.3 ± 4.3 | 31.8 ± 3.9& |
| LVEF, % | 63.0 (60.0, 67.0) | 65.0 (60.5, 67.0) | 62.0 (60.0, 69.3) | 63.0 (58.5, 69.0) | 63.0 (60.0, 66.0) |
| LVM, g# | 171.5 (147.8, 200.3) | 139.9 (120, 162.8) | 163.8 (143.0, 189.0) | 171.5 (149.8, 196.8) | 178.2 (153.3, 212.0)& |
| LVMI-height2.7, g/m2.7# | 43.0 (37.4, 50.5) | 36.1 (29.2, 39.1) | 43.5 (35.4, 45.5) | 43.9 (38.4, 48.2) | 43.6 (37.6, 53.1)& |
| E, m/s# | 65.5 (53.0, 80.0) | 80.0 (64.8, 81.8) | 71.0 (57.0, 88.5) | 65.0 (51.5, 78.5) | 64.0 (52.0, 78.0) |
| A, m/s | 79.2 ± 17.4 | 66.3 ± 13.9 | 79.9 ± 20.1 | 78.9 ± 16.1 | 80.7 ± 17.3& |
| e', m/s# | 6.0 (5.0, 7.2) | 7.5 (6.1, 10.7) | 6.7 (5.0, 7.6) | 6.0 (5.0, 7.0) | 5.8 (4.8, 7.0)& |
| a', m/s# | 9.2 (8.0, 10.5) | 9.5 (8.2, 10.3) | 9.3 (8.2, 10.5) | 9.0 (8.0, 10.8) | 9.3 (8, 10.4) |
| E/e'# | 11.0 (8.8, 13.3) | 9.5 (7.2, 12.2) | 11.6 (8.4, 13.6) | 10.4 (8.9, 13.3) | 11.1 (9.2, 13.3) |
| E/A# | 0.8 (0.7, 1.1) | 1.2 (0.9, 1.3)‡ | 0.8 (0.7, 1.2) | 0.8 (0.7, 1.1) | 0.8 (0.7, 0.9) |
OSAHS, obstructive sleep apnea-hypopnea syndrome; RVID, right ventricular internal diameter; IVS, inter-ventricular septum; LVPW, left ventricular posterior wall; LVIDd, left ventricular internal diameter in diastole; LVIDs, left ventricular internal diameter in systole; LVEF, left ventricular ejection fraction; LVM, left ventricular mass; LVMI, left ventricular mass index.
‡
P < 0.05 vs. mild, moderate, and severe OSAHS.
&
P < 0.05 vs. no OSAHS, mild, and moderate OSAHS.
#
Presented as median (interquartile range).