Polysomnography
| OSAS (n = 11) | Control (n = 12) | Test statistics | p value | |
|---|---|---|---|---|
| AHI (events/h) | 14.8 ± 7.1 | 0.8 ± 1.1 | Mann–Whitney U = 0 | <0.001 |
| AI (events/h) | 19.5 ± 11.0 | 6.8 ± 2.7 | Mann–Whitney U = 7 | <0.001 |
| Total sleep time (h) | 5.7 ± 0.9 | 5.7 ± 1.2 | Mann–Whitney U = 66 | 0.98 |
| Sleep efficiency (%) | 80.1 ± 13.2 | 81.0 ± 15.3 | Mann–Whitney U = 56 | 0.56 |
| Awakening Index (events/h) | 6.3 ± 4.0 | 3.9 ± 1.8 | Mann–Whitney U = 42 | 0.14 |
| Baseline SpO2 (%) | 99.7 ± 0.5 | 99.4 ± 0.9 | Mann–Whitney U = 55 | 0.52 |
| SpO2 nadir (%) | 87.4 ± 11.7 | 93.9 ± 1.4 | Mann–Whitney U = 18 | 0.003 |
| Baseline ETCO2 (mmHg) | 40.4 ± 3.8 | 39.5 ± 4.8 | Mann–Whitney U = 23 | 0.81 |
| Peak ETCO2 (mmHg) | 47.6 ± 7.6 | 45.2 ± 4.3 | Mann–Whitney U = 44 | 0.28 |
Means ± SDs are shown. ETCO2, End-tidal carbon dioxide.