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Summary of distribution-based criteria to determine a minimum clinical significant change using 0.5 SD of the mean and SE of the measure (SEM) for each of the QOL-PCD scales
| QOL-PCD (adult) scales | 0.5 SD | SEM |
|---|---|---|
| Physical | 15.2 | 7.4 |
| Emotional | 4.1 | 8.1 |
| Treatment | 6.0 | 11.9 |
| Social | 7.5 | 15.0 |
| Role | 5.4 | 10.8 |
| Health perception | 5.5 | 10.9 |
| Vitality | 3.8 | 7.6 |
| Upper respiratory | 5.5 | 11.0 |
| Lower respiratory | 3.2 | 6.4 |
| Ears and hearing | 6.6 | 13.1 |
PCD, primary ciliary dyskinesia; QOL, quality of life.
