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Secondary criteria: sleep efficiency computed from the sleep diary
| Active group (n = 51) | Placebo group (n = 50) | |
|---|---|---|
| Mean (SD) | ||
| Sleep efficiency (%) | ||
| Week 1 | 80.9 (13.8) | 81.5 (16.6) |
| Week 4 | 82.8 (12.7) | 85.1 (13.2) |
| Number of napping episodes | ||
| Week 1 | 0.13 | 0.11 |
| Week 4 | 0.13 | 0.17 |
| General Clinical Impression | N (%) | |
| Worsening | 1 (2%) | 3 (6%) |
| Unchanged | 18 (36%) | 14 (29%) |
| Improved | 31 (62%) | 32 (65%) |
Mean, SD (standard deviation), and 95% confidence interval in both groups.
