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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Percentage of days used (%) | 1 | % (Fixed, 95% CI) | Totals not selected | |
| 2 Apnoea‐hypopnoea index (events/hour) | 1 | events/hour (Fixed, 95% CI) | Totals not selected | |
| 3 Satisfaction with mask (mm visual analogue scale) | 1 | mm VAS (Fixed, 95% CI) | Totals not selected | |
| 4 Epworth Sleepiness Scale | 1 | mean difference (Fixed, 95% CI) | Totals not selected |
