From: Hyoid bone position as an indicator of severe obstructive sleep apnea
Variable | Longer MPH distance group (n = 67) | Shorter MPH distance group (n = 66) | p-value |
---|---|---|---|
Total AHIa | 33.9 (27.1) | 21.8 (16.2) | 0.002** |
Supine AHIa | 42.3 (29.7) | 28.1 (20.7) | 0.002** |
Non-supine AHIa | 16.4 (25.6) | 6.3 (11.3) | 0.004** |
REM AHIa | 36.6 (25.6) | 33.4 (20.8) | 0.428 |
NREM AHIa | 33.0 (28.5) | 19.4 (17.2) | 0.001** |
Severe OSA groupb | 43.3% | 27.3% | 0.040* |
Mean SpO2 (%)a | 94.7 (2.1) | 95.6 (1.6) | 0.013* |
Lowest SpO2 (%)a | 79.1 (10.1) | 82.0 (9.0) | 0.084 |
REM SpO2 (%)a | 94.1 (3.3) | 93.9 (11.9) | 0.890 |
NREM SpO2 (%)a | 94.7 (2.2) | 95.6 (1.6) | 0.009** |
Time below 90% SpO2 (%)a | 7.4 (11.2) | 2.7 (4.6) | 0.003** |
Total sleep time (min)a | 315.3 (66.8) | 326.3 (60.9) | 0.326 |
Sleep efficiency (%)a | 79.0 (13.0) | 82.2 (10.3) | 0.121 |
Sleep latency (min)a | 17.1 (17.8) | 15.1 (15.0) | 0.494 |
REM latency (min)a | 113.1 (54.5) | 125.1 (62.7) | 0.240 |
Sleep stage I (%)a | 31.7 (17.0) | 24.4 (12.9) | 0.006** |
Sleep stage II (%)a | 45.4 (14.7) | 50.9 (13.4) | 0.026* |
Sleep stage III + IV (%)a | 1.8 (3.8) | 3.2 (6.5) | 0.121 |
REM sleep (%)a | 16.9 (7.0) | 16.8 (6.9) | 0.931 |
Time of supine position (%)a | 68.7 (26.9) | 76.2 (21.9) | 0.078 |
REM arousal indexa | 18.5 (15.7) | 15.2 (13.1) | 0.211 |
NREM arousal indexa | 18.7 (19.0) | 11.4 (13.3) | 0.016* |
Respiratory arousal indexa | 22.6 (20.7) | 12.7 (12.3) | 0.001** |
Total arousal indexa | 34.8 (17.9) | 24.8 (12.3) | 0.001** |