Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

766 questions · 806 findings · 76 reviews · ENT

No studies found 293 · 36.4%GRADE not reported 6 · 0.7%Very low 244 · 30.3%Low 170 · 21.1%Moderate 85 · 10.5%High 8 · 1%

Intervention not reported

Improvement in tinnitus severity and disability, measured by a validated tinnitus‐specific questionnaire (THQ) Proportion of patients improved 4 months · adults over 18 years with tinnitus
1 finding from 1 review

Intervention not reported

Adverse effects of treatment · adults over 18 years with tinnitus

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Quality of life · adults over 18 years with tinnitus

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Socioeconomic impact associated with work · adults over 18 years with tinnitus

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Anxiety and depression disorders · adults over 18 years with tinnitus

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Psychoacoustic parameters · adults over 18 years with tinnitus

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Tinnitus loudness (dB) · adults over 18 years with tinnitus

It is very uncertain whether the intervention changes tinnitus loudness (dB) (very low certainty).

1 finding from 1 review

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

Self‐reported hearing handicap Validated self‐report measure HHIE scale from: 0 to 100 (Ventry 1982) · 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 scale from 0 to 5 (Demorest 1987) · adults with hearing loss who use hearing aids
1 finding from 1 review

Intervention not reported

Adherence Number of people fitted with hearing aid/number of people who use the aids · adults with hearing loss who use hearing aids

The intervention showed no clear difference in adherence Number of people fitted with hearing aid/number of people… (low certainty).

1 finding from 1 review

Intervention not reported

Daily hours of hearing aid use Self‐reported or data‐logged average hours of use per day. Scale from: 0 to 12 hours · adults with hearing loss who use hearing aids
1 finding from 1 review