Table 2.
Variable | Baseline | SAP therapy | p value |
---|---|---|---|
Sleep efficiency (%) | 77.8 ± 12.1 | 75.7 ± 13.8 | 0.473 |
Stage N1 (%) | 36.9 ± 20.1 | 45.9 ± 24.0 | 0.037 |
Stage N2 (%) | 49.0 ± 20.6 | 43.1 ± 22.1 | 0.157 |
Stage N3 (%) | 1.1 ± 3.0 | 0.2 ± 0.4 | 0.132 |
REM (%) | 13.0 ± 7.7 | 10.8 ± 5.3 | 0.086 |
Supine body position (%) | 74.3 ± 23.7 | 73.1 ± 24.8 | 0.783 |
Nonsupine body position (%) | 25.7 ± 23.7 | 26.9 ± 24.8 | 0.781 |
Arousal index (events/hour) | 30.0 ± 19.7 | 32.91 ± 13.2 | 0.346 |
Average oxygen saturation (%) | 91.0 ± 17.3 | 94.2 ± 2.3 | 0.322 |
ODI (events/hour) | 15.8 ± 16.3 | 7.8 ± 2.5 | 0.007 |
Snore number | 2406.7 ± 1173.5 | 1693.8 ± 1071.4 | 0.004 |
Snore index (events/hour) | 501.5 ± 235.1 | 360.9 ± 218.1 | 0.003 |
AHI (events/hour) | 21.8 ± 15.7 | 16.5 ± 17.8 | 0.001 |
Supine AHI (events/hour) | 27.3 ± 17.5 | 20.4 ± 19.9 | 0.005 |
Nonsupine AHI (events/hour) | 4.0 ± 6.3 | 4.1 ± 9.3 | 0.984 |
Data are given as mean ± SD. SAP: smart antisnore pillow; REM: rapid eye movement; ODI: oxygen denaturation index; AHI: apnea-hypopnea index.