Table 2.
Descriptive Statistics of participants’ demographics and polysomnography.
| Variables (n=96) | Mean ± SD |
|---|---|
| Age (years) | 56.0 ± 14.6 |
| Sex (male, %) | 72 (75%) |
| Height (cm) | 166.5 ± 9.1 |
| Weight (kg) | 73.5 ± 15.0 |
| BMI | 26.3 ± 4.0 |
| PSQI | 8.4 ± 4.0 |
| ISI | 12.3 ± 5.7 |
| ESS | 9.4 ± 4.7 |
| BDI | 12.6 ± 7.9 |
| Polysomnography | |
| Total sleep time | 317.6 ± 59.7 |
| Sleep latency | 13.7 ± 17.8 |
| N2 latency | 8.9 ± 17.0 |
| REM latency | 108.9 ± 63.8 |
| WASO (%) | 19.1 ± 10.8 |
| NREM1/TST (%) | 23.3 ± 14.7 |
| NREM2/TST (%) | 55.1 ± 12.8 |
| NREM3/TST (%) | 5.3 ± 5.9 |
| REM/TST (%) | 16.4 ± 6.8 |
| Arousal index | 32.3 ± 15.9 |
| Respiratory | 24.4 ± 18.3 |
| Spontaneous | 4.0 ± 6.2 |
| Movement | 0.7 ± 1.6 |
| REM | 29.5 ± 18.0 |
| NREM | 33.0 ± 16.7 |
| Sleep efficiency (%) | 78.3 ± 11.5 |
| AHI | 38.5 ± 23.4 |
| RDI | 40.9 ± 23.2 |
| Lowest SaO2 (%) | 82.3 ± 8.4 |
| ODI (%) | 32.1 ± 21.9 |
| PLMS index | 18.6 ± 24.1 |
| MAI | 0.7 ± 1.6 |
BMI body mass index, PSQI Pittsburgh sleep quality index, ISI insomnia severity index, ESS Epworth sleepiness scale, BDI beck depression inventory, WASO wake after sleep onset, REM rapid eye movement, AHI apnea-hypopnea index, RDI respiratory disturbance index, SaO2 oxygen saturation, ODI oxygen desaturation index, PLMS periodic limb movement in sleep, MAI movement arousal index.