Table 1.
Sleep-related parameters.
| HGI Trial | LGI Trial | p value | |
|---|---|---|---|
| TST (min) | 426.0 ± 71.7 | 363.6 ± 49.0 | 0.019 * |
| N1 (%) | 14.2 ± 8.8 | 15.2 ± 10.4 | 0.059 |
| N2 (%) | 34.5 ± 13.1 | 33.4 ± 9.8 | 0.741 |
| N3 (%) | 20.8 ± 10.8 | 22.7 ± 13.3 | 0.495 |
| REM (%) | 28.6 ± 10.9 | 28.8 ± 12.2 | 0.959 |
| SE (%) | 89.0 ± 4.3 | 80.9 ± 10.6 | 0.049 * |
| SOL (min) | 5.7 ± 1.9 | 24.6 ± 8.1 | 0.026 * |
| REM onset latency (min) | 55.9 ± 39.4 | 84.8 ± 51.8 | 0.286 |
| Deep sleep onset latency (min) | 57.2 ± 66.8 | 62.6 ± 44.6 | 0.132 |
| Total wake time (min) | 47.4 ± 21.7 | 80.3 ± 43.6 | 0.034 * |
| Arousal index (number/h) | |||
| REM | 22.6 ± 8.6 | 22.1 ± 12.1 | 0.871 |
| NREM | 16.4 ± 7 | 18.4 ± 10.1 | 0.371 |
| Total | 18.5 ± 6.8 | 19.9 ± 10 | 0.239 |
All data are presented as mean ± SD. TST: total sleep time; REM: rapid-eye movement sleep; NREM: non rapid-eye movement; SE: sleep efficiency; SOL: sleep onset latency, * Denotes statistical significant differences at the 0.05 level (2-tailed).