Table 2. Sleep characteristics of both groups.
| Group 1 | Group 2 | p | |
|---|---|---|---|
| TST (minutes; mean ± SD) | 424.2± 55.2 | 461.1±72.4 | 0.1 |
| SE (%) (mean ± SD) | 84.6±10.0 | 89.0±9.9 | 0.2 |
| Sleep Latency (minutes; mean ± SD) | 13.0±16.1 | 13.6±21.2 | 0.5 |
| Sleep stage 1 (%) (mean ± SD) | 18.1±12.1 | 14.4±4.7 | 0.2 |
| Sleep stage 2 (%) (mean ± SD) | 44.6±8.7 | 35.8±9.9 | 0.02 |
| SWS (%) (mean ± SD) | 19.1±8.8 | 23.6±10.4 | 0.1 |
| REM (%) (mean ± SD) | 36.6±54.3 | 26.1±3.4 | 0.3 |
| AHI (mean ± SD) | 2.4±2.0 | 6.4±14.4 | 0.2 |
| PLMS-I (mean ± SD) | 7.3±5.8 | 6.5±6.7 | 0.4 |
| PLMSA-I (mean ± SD) | 1.0±1.6 | 1.9±3.0 | 0.2 |
| Sleep stage change index (mean ± SD) | 15.2±7.1 | 13.4±5.3 | 0.3 |
| Arousal Index (mean ± SD) | 16.6±8.3 | 17.7±8.2 | 0.4 |
| Wake index (mean ± SD) | 3.7±1.8 | 3.3±2.0 | 0.3 |
| WASO (mean ± SD) | 67.4±44.3 | 57.4±33.1 | 0.3 |
TST—total sleep time; SE—sleep efficiency; SWS—slow wave sleep; AHI—apnea-hypopnea index; PLMS-I—periodic limb movements in sleep index; PLMSA-I—periodic limb movements with arousal index; WASO—time of wake after sleep onset; SD—standard deviation.