Table 1.
Demographic and Clinical Characteristics of Healthy Controls and OSAS Patients
| Healthy Controls | OSAS Patients | t/χ2 | P | |
|---|---|---|---|---|
| N | 21 | 22 | ||
| Age | 42.71±5.85 | 44.59±4.75 | −1.158 | 0.254 |
| Age range | 30–53 | 35–56 | ||
| Gender (M/F) | 11/10 | 14/8 | 0.559 | 0.455 |
| Education(year) | 12.29±2.05 | 12.27±2.39 | 0.019 | 0.985 |
| BMI (kg/m2) | 25.66±1.61 | 28.57±1.34 | −6.474 | 0.000*** |
| History (year) | – | 4.23±0.922 | ||
| AHI(events/h) | 2.62±1.02 | 23.59±4.02 | −23.664 | 0.000*** |
| ODI | 6.62±2.92 | 27.82±4.86 | −17.238 | 0.000*** |
| MSpO2 | 96.52±0.93 | 94.55±1.26 | 5.832 | 0.000*** |
| MmSpO2% | 85.90±3.42 | 81.23±4.64 | 3.749 | 0.001** |
| AI | 19.38±5.49 | 21.18±4.67 | −1.161 | 0.252 |
| MoCA | 27.33±0.91 | 25.41±1.37 | 5.447 | 0.000*** |
| ESS | 4.95±2.58 | 17.82±2.54 | −16.488 | 0.000*** |
Notes: Data were expressed as mean ± SD. **P < 0.01, ***P < 0.001 by Student’s t-test (two-tailed).
Abbreviations: OSAS, obstructive sleep apnea syndrome; M, male; F, female; BMI, body mass index; ESS, Epworth Sleepiness Scale; AHI, apnea hypopnea index; ODI, oxygen desaturation index; MSpO2, mean oxygen saturation during the night; MmSpO2%, lowest oxygen saturation during the night; AI, arousal index; MoCA, Montreal Cognitive Assessment.