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. 2019 Dec 2;2019(12):CD003531. doi: 10.1002/14651858.CD003531.pub4

Comparison 3. CPAPexp versus fixed CPAP.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Machine usage (hours/night) 9 609 Mean Difference (Fixed, 95% CI) 0.14 [‐0.07, 0.35]
2 Symptoms (Epworth Sleepiness Scale) 6 515 Mean Difference (Fixed, 95% CI) 0.17 [‐0.26, 0.60]
3 Withdrawals (parallel group trials/first arm cross‐over trials) 2 298 Odds Ratio (M‐H, Fixed, 95% CI) 0.86 [0.48, 1.55]
4 Quality of life (Functional Outcomes of Sleep Questionnaire) 1   Mean Difference (IV, Fixed, 95% CI) Totals not selected
5 Quality of life (SF‐36 questionnaire) 1   Mean Difference (IV, Fixed, 95% CI) Subtotals only
5.1 Physical functioning 1 76 Mean Difference (IV, Fixed, 95% CI) 6.20 [‐3.05, 15.45]
5.2 Role physical score 1 76 Mean Difference (IV, Fixed, 95% CI) ‐9.5 [‐25.38, 6.38]
5.3 Bodily pain score 1 76 Mean Difference (IV, Fixed, 95% CI) 7.20 [‐3.69, 18.09]
5.4 General health score 1 76 Mean Difference (IV, Fixed, 95% CI) 1.0 [‐8.05, 10.05]
5.5 Vitality 1 76 Mean Difference (IV, Fixed, 95% CI) ‐2.5 [‐11.38, 6.38]
5.6 Social functioning score 1 76 Mean Difference (IV, Fixed, 95% CI) ‐8.30 [‐17.87, 1.27]
5.7 Role emotional score 1 76 Mean Difference (IV, Fixed, 95% CI) ‐7.30 [‐21.83, 7.23]
5.8 Mental health score 1 76 Mean Difference (IV, Fixed, 95% CI) 2.0 [‐4.86, 8.86]
6 Apnoea Hypopnoea Index (events/hr) 5 342 Mean Difference (Fixed, 95% CI) 0.24 [‐0.49, 0.96]
7 Pressure of CPAP treatment (cmH2O) 2 241 Mean Difference (IV, Fixed, 95% CI) ‐0.05 [‐0.63, 0.52]
8 Treatment satisfaction score 1   Mean Difference (IV, Fixed, 95% CI) Totals not selected
9 Treatment comfort score 1   Mean Difference (IV, Fixed, 95% CI) Totals not selected
10 Treatment interface score 1   Mean Difference (IV, Fixed, 95% CI) Totals not selected
11 Preference 1   Odds Ratio (M‐H, Fixed, 95% CI) Totals not selected