Table 1 Baseline characteristics of the participants
From: Association of obstructive sleep apnea and diurnal variation of cystatin C
Simple Snoring to Mild OSA (n = 12) | Moderate OSA (n = 12) | Severe OSA (n = 26) | |
|---|---|---|---|
Age, years | 43.7 ± 15.8 | 48.5 ± 11.9 | 47.2 ± 12.3 |
Female, n (%) | 2 (16.7) | 4 (33.3) | 3 (11.5) |
BMI, kg/m2 | 24.9 ± 2.3 | 25.3 ± 3.4 | 29.2 ± 4.8 |
AHI, /hr | 10.0 ± 4.6 | 20.9 ± 4.4 | 56.2 ± 23.4 |
ODI, /hr | 5.7 ± 3.7 | 12.8 ± 4.0 | 45.7 ± 26.9 |
Snoring, % | 29.2 ± 16.8 | 26.5 ± 20.4 | 47.7 ± 23.0 |
Total sleep time, min | 407.9 ± 45.6 | 379.0 ± 50.5 | 350.5 ± 112.5 |
WASO, min | 67.2 ± 36.5 | 82.9 ± 42.4 | 67.2 ± 43.8 |
Sleep efficiency, % | 84.3 ± 8.1 | 77.7 ± 10.0 | 82.6 ± 8.6 |
Sleep stage N1, % | 27.0 ± 14.0 | 23.8 ± 3.4 | 38.4 ± 15.5 |
Sleep stage N2, % | 42.3 ± 7.3 | 41.8 ± 7.5 | 37.6 ± 11.2 |
Sleep stage N3, % | 13.1 ± 10.1 | 12.9 ± 7.4 | 8.5 ± 7.3 |
Sleep stage REM, % | 17.6 ± 5.9 | 21.7 ± 4.0 | 15.8 ± 6.5 |
Total arousal, /hr | 24.5 ± 9.0 | 27.2 ± 7.6 | 52.1 ± 23.6 |
Mean O2 saturation, % | 96.3 ± 1.2 | 96.1 ± 1.0 | 94.2 ± 2.8 |
Lowest O2 saturation, % | 88.7 ± 4.1 | 85.3 ± 3.7 | 75.3 ± 1.0 |
Hypertension, n (%) | 1 (8.3) | 3 (25.0) | 10 (38.5) |
Diabetes mellitus, n (%) | 0 (0.0) | 2 (16.7) | 2 (7.7) |
Hyperlipidemia, n (%) | 0 (0.0) | 3 (25.0) | 4 (15.4) |
Current smoking, n (%) | 1 (16.7) | 4 (33.3) | 7 (26.9) |