TABLE 1.
Demographic characteristics of the subjects
| Control (N = 30) | Mild OSA (N = 20) | Moderate OSA (N = 24) | Severe OSA (N = 23) | p Value | |
|---|---|---|---|---|---|
| Age (years) | 44.77 ± 10.67 | 43.80 ± 9.611 | 45.13 ± 10.83 | 44.78 ± 11.64 | 0.981 |
| Sex (Male/Female) | 21/9 | 14/6 | 17/7 | 18/5 | 0.909 |
| BMI (kg/m2) | 26.15 ± 3.55 | 28.45 ± 5.90 | 31.90 ± 6.07 a | 33.23 ± 6.16 a | 0.000 |
| Smoking (%) | 26.67 (8/30) | 30.0 (6/20) | 33.33 (8/24) | 39.13 (9/23) | 0.902 |
| ESS | 6.37 ± 1.65 | 7.90 ± 2.10 b | 10.83 ± 2.55 a | 11.96 ± 3.59 a | 0.000 |
| AHI | 3.06 ± 1.35 | 11.09 ± 3.04 b | 23.84 ± 3.64 a | 74.80 ± 21.24 c | 0.000 |
| MSaO2 (%) | 95.33 ± 1.54 | 94.30 ± 1.56 | 93.71 ± 2.26 | 88.17 ± 5.51 c | 0.000 |
| LSaO2 (%) | 90.47 ± 1.78 | 85.35 ± 4.37 b | 83.08 ± 4.99 b | 62.96 ± 10.70 c | 0.000 |
| ODI (Events/h) | 1.88 ± 0.69 | 14.83 ± 6.08 a | 25.78 ± 6.74 a | 56.79 ± 15.64 c | 0.000 |
Values are shown as mean ± SD (standard deviation).
Abbreviations: AHI, apnea‐hypopnea index; BMI, body mass index; ESS, epworth sleepiness scale; LSaO2: lowest saturation oxygen; MSaO2, mean saturation oxygen; ODI, oxygen desaturation index.
a
p < 0.05, compared with the control group.
b
p < 0.05, compared with the mild group.
c
p < 0.05, compared with the moderate group.