Table 2.
Correlation of OSA characteristics, symptoms with AHI and SaO2 delta.
| Physiological Variable (mean ± SD) | AHI r (P-value) | SaO2 Delta r (P-value) |
|---|---|---|
| PSQI (6.6 ± 2.9) | –.533 (.027) | –.092 (.725) |
| ESS (8.0 ± 4.2) | .199 (.443) | .390 (.122) |
| BAI (5.3 ± 5.6) | –.087 (.740) | –.218 (.401) |
| BDI-II (5.6 ± 4.7) | –.275 (.285) | –.386 (.126) |
| MoCA (25.5 ± 4.0) | .264 (.306) | –.051 (.846) |
| BMI (30..63 ± 6.69) | .377 (.136) | .580 (.015) |
| Trail A (26.49 ± 7.98) | –.462 (.062) | –.052 (.842) |
| Trail B (69.18 ± 33.94) | –.531 (.028) | .261 (.312) |
AHI = apnea–hypopnea–index, BAI = Beck Anxiety Inventory, BDI = Beck Depression Inventory, BMI = body mass index, ESS = Epworth Sleepiness Scale, MoCA= Montreal Cognitive Assessment, OSA = obstructive sleep apnea, PSQI = Pittsburgh Sleep Quality Index, SaO2 = oxygen saturation, SD = standard deviation.