Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,736 questions · 15,265 findings · 1,163 reviews · Headline outcomes only

No studies found 3,871 · 25.4%GRADE not reported 810 · 5.3%Very low 4,242 · 27.8%Low 3,879 · 25.4%Moderate 1,999 · 13.1%High 464 · 3%

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Ventilation tubes vs no treatment

Improvement in frequency of vertigo (complete resolution) at > 12 months · Ménière’s disease

It is very uncertain whether ventilation tubes changes improvement in frequency of vertigo (complete resolution) at > 12… compared with no treatment (very low certainty).

1 finding from 1 review

Endolymphatic sac decompression vs placebo (sham surgery)

Improvement in vertigo (complete resolution) at 6 to ≤ 12 months (12 months) · Ménière’s disease

It is very uncertain whether endolymphatic sac decompression changes improvement in vertigo (complete resolution) at 6 to ≤ 12 months (12… compared with placebo (sham surgery) (very low certainty).

1 finding from 1 review