Table 3 Characteristics and assessment of content validity papers in DMD samples for measures included in the review
PROM | Reference | Language (Country) | DMD sample characteristics | COSMIN rating | Results (summary) | ||||
|---|---|---|---|---|---|---|---|---|---|
N | Age (years, ±SD) | % ambulatory | Relevance | Comprehensiveness | Comprehensibility | ||||
LSIA | Simon et al. 2017 [56] | Brazilian Portuguese (Brazil) | 43 | 11.4 ± 3.38 | Not stated | / | Doubtful | Doubtful | The level of comprehension reached via the final Probe technique was 97% for the parent version and 95% for the patient version, which is above the minimum of 85% required. |
PedsQL 3.0 NMM | Hu et al. 2013 [67] | Chinese (China) | 56 | 7.54 ± 4.06 | 37 children “could climb stairs” | Doubtful | Doubtful | Doubtful | Cognitive debriefing was conducted with six children with DMD and their parents to confirm that the final Chinese version was understandable and acceptable. |