Table 1.
Demographic Characteristics, Sleep Monitoring Parameters, and Blood Measurements of OSA and Control Groups
| Control group (n = 26) | OSA group (n = 38) | P | |
|---|---|---|---|
| Age (years) | 38.85 ± 9.16 | 39.13 ± 7.77 | 0.894 |
| Gender (male, %)a | 69.23 | 76.31 | 0.574 |
| Waist to hip ratio (%) | 88.00 ± 7.32 | 92.37 ± 7.62 | 0.026* |
| BMI (kg/m2) | 26.91 ± 4.13 | 28.26 ± 4.52 | 0.230 |
| AHI (events/hr) | 2.36 ± 1.19 | 36.79 ± 20.57 | <0.001* |
| ODI (events/hr) | 1.66 ± 0.94 | 32.73 ± 19.15 | <0.001* |
| Arousal index (events/hr) | 12.56 ± 7.04 | 38.16 ± 20.37 | <0.001* |
| Mean oxygen saturation (%) | 93.50 ± 0.99 | 90.22 ± 2.96 | <0.001* |
| Lowest oxygen saturation (%) | 90.59 ± 1.01 | 79.37 ± 8.35 | <0.001* |
| Oxygen saturation <90% PRTS (%) | 0.40 ± 1.42 | 19.69 ± 9.02 | <0.001* |
| Total sleep time (min) | 317.40 ± 40.36 | 331.71 ± 41.60 | 0.178 |
| Stage of REM (%) | 13.43 ± 3.52 | 11.12 ± 3.21 | 0.008* |
| Stage of NREM (%) | 86.58 ± 3.52 | 88.88 ± 3.21 | 0.008* |
| Triglycerides (mM) | 1.47 ± 0.60 | 1.79 ± 1.15 | 0.150 |
| TC (mM) | 4.13 ± 0.77 | 4.29 ± 0.66 | 0.371 |
| LDL (mM) | 2.31 ± 0.59 | 2.47 ± 0.57 | 0.287 |
| HDL (mM) | 0.99 ± 0.20 | 1.05 ± 0.20 | 0.429 |
| Fasting blood glucose (mM) | 4.35 ± 0.55 | 4.58 ± 0.58 | 0.124 |
| ESS (scores) | 6.65 ± 2.56 | 12.26 ± 4.27 | <0.001* |
Values are indicated as the mean ± standard deviation.
a
Values are indicated as percentage.
*
P < 0.05, the results are statistically significant.
AHI, apnea/hypopnea index; BMI, body mass index; ESS, Epworth Sleepiness Score; HDL, high-density lipoprotein; LDL, low-density lipoprotein; NREM, nonrapid eye movement; ODI, oxygen desaturation index; OSA, obstructive sleep apnea; PRTS, percentage of recording time spent; REM, rapid eye movement; TC, total cholesterol.