Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

53 questions · 55 findings · 7 reviews

No studies found 27 · 49.1%GRADE not reported 0 · 0%Very low 15 · 27.3%Low 12 · 21.8%Moderate 1 · 1.8%High 0 · 0%

Intervention not reported

Adverse effects Number of outstanding complaints · adults with hearing loss who use hearing aids

It is very uncertain whether the intervention changes adverse effects Number of outstanding complaints (very low certainty).

1 finding from 1 review

Intervention not reported

Communication Validated self‐report measure: verbal subscale of the CPHI scale from 0 to 5 (Demorest 1987) · adults with hearing loss who use hearing aids
1 finding from 1 review

Intervention not reported

Use of verbal communication strategy Validated self‐report measures (verbal subscale of the CPHI (Demorest 1987)). Scale from: 0 to 5 · adults with hearing loss who use hearing aids
1 finding from 1 review

Intervention not reported

Communication Validated self‐report measure: verbal subscale of the CPHI (Demorest 1987) scale from 0 to 5 · adults with hearing loss who use hearing aids
1 finding from 1 review