Table 2.
The outcomes of the linear mixed-effects model of the CV-BV changes.
| Estimate (10–3) | 95% CI (10–3) | t-value | P-value | |
|---|---|---|---|---|
| Duration of events | 2.66 | [1.54, 3.78] | 4.67 | < 0.0001 |
| Apnea–hypopnea | 195.3 | [138.52, 252.08] | 6.74 | < 0.0001 |
| Mean HR within events | − 5.16 | [− 7.55, − 2.77] | − 4.24 | < 0.0001 |
| Hourly arousal index | 2.14 | [1.26, 3.02] | 4.8 | < 0.0001 |
| Baseline StO2 | − 10.77 | [− 17.08, − 4.46] | − 3.34 | 0.00085 |
| REM sleep–NREM sleep | − 64.75 | [− 123.45, − 6.05] | − 2.16 | 0.031 |
| Sleep positions | ||||
| Right side | 172.5 | [104.59, 240.41] | 4.98 | < 0.0001 |
| Supine | 130.0 | [68.93, 191.07] | 4.17 | < 0.0001 |
| CPAP pressures | − 5.93 | [− 10.91, − 0.95] | − 2.33 | 0.0198 |
Confidence interval (CI). Heart rate (HR). Rapid eye movement sleep (REM). Non-REM sleep (NREM). Continuous positive airway pressure (CPAP). The change in apnea is the reference for the change in hypopnea in this model. Sleep on left side is the reference for sleep on right side and on supine position. NREM sleep is the reference for REM sleep. Hourly arousal index is the arousal index calculated in each hour.