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. 2021 Jan 14;2021:8824011. doi: 10.1155/2021/8824011

Table 2.

Polysomnographic variables of baseline and SAP therapy of 30 patients.

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.