Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,454 questions · 3,562 findings · 816 reviews · Headline outcomes only

No studies found 538 · 15.1%GRADE not reported 239 · 6.7%Very low 933 · 26.2%Low 1,041 · 29.2%Moderate 612 · 17.2%High 199 · 5.6%

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

Intervention not reported

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

Intranasal beta‐estradiol vs placebo

Adverse effects Intranasal beta‐estradiol 0.021 mg/day, 0.029 mg/day or 0.040 mg/day · women with hot flushes

Intranasal beta‐estradiol probably leads to higher adverse effects Intranasal beta‐estradiol 0.021 mg/day, 0.029 mg/day… compared with placebo (moderate certainty).

1 finding from 1 review