Table 4.
Self-Reported Health Status Scores from the SAQLI and from the Main Components of the Bed Partner's Dublin Questionnaire with Corresponding Effect Sizes, Before and After Real and Sham CPAP
| Before (Baseline) | After (Follow-up) | Effect size | P before/ after | Difference in effect sizes* | P for effect sizes* | |
|---|---|---|---|---|---|---|
| “Sham” CPAP | ||||||
| SAQLI | ||||||
| A (Daily routine) | 3.9 ± 1.4 | 4.8 ± 1.6 | 0.72 | <0.0001 | ||
| B (Social interactions) | 4.5 ± 1.4 | 5.0 ± 1.5 | 0.43 | 0.001 | ||
| C (Emotional functioning) | 4.3 ± 1.4 | 5.0 ± 1.5 | 0.44 | <0.0001 | ||
| D (Symptoms of OSA) | 2.5 ± 1.1 | 2.8 ± 1.4 | 0.27 | 0.18 | ||
| E (Treatment related symptoms) | 2.3 ± 1.7 | |||||
| Total score | 3.8 ± 1.1 | 3.8 ± 1.6 | 0.08 | 0.65 | ||
| Bed partner's Dublin | ||||||
| Partner's component (Q1-Q4) | 0.9 ± 1.0 | 0.84 | ||||
| Patient's component (Q5-Q8) | 1.1 ± 1.2 | 0.94 | ||||
| Personal relationship (Q9) | 0.9 ± 1.1 | 0.74 | ||||
| “Real” CPAP | ||||||
| SAQLI | ||||||
| A (Daily routine) | 3.7 ± 1.2 | 5.5 ± 1.0 | 1.38 | <0.0001 | 0.66 | 0.003 |
| B (Social interactions) | 4.0 ± 1.3 | 5.8 ± 1.2 | 1.34 | <0.0001 | 0.92 | <0.0001 |
| C (Emotional functioning) | 4.0 ± 1.3 | 5.4 ± 1.0 | 1.02 | <0.0001 | 0.58 | <0.0001 |
| D (Symptoms of OSA) | 2.4 ± 1.0 | 2.2 ± 1.6 | −0.19 | 0.44 | −0.46 | 0.15 |
| E (Treatment related symptoms) | 2.1 ± 1.5 | |||||
| Total score | 3.5 ± 1.0 | 4.4 ± 1.1 | 0.84 | <0.0001 | 0.76 | 0.001 |
| Bed partner's Dublin | ||||||
| Partner's component (Q1-Q4) | 1.6 ± 1.0 | 1.55 | 0.71 | 0.005 | ||
| Patient's component (Q5-Q8) | 2.2 ± 0.8 | 1.92 | 0.98 | <0.0001 | ||
| Personal relationship (Q9) | 1.5 ± 1.2 | 1.24 | 0.50 | 0.041 |
Values are means and standard deviations.
*
P values calculated for comparison between real and sham CPAP group. P, Bold = statistically significant. Effect size, Bold = medium-large effect size 8 (>0.5). Effect size difference, Bold = medium-large difference (>0.5).