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Evidence found and GRADE certainty

5 questions · 5 findings · 1 reviews · ENT

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 4 · 80%Low 1 · 20%Moderate 0 · 0%High 0 · 0%

Ventilation tubes vs no treatment

Hearing ‐ return to normal *Ventilation tubes versus laser myringotomy (6 to 12 months ‐ medium‐term) Adjusted for non‐independence of within‐individual measurements Assumed ICC of 0.5 № of participants: 132 (2 RCTs) · children aged 6 months to 12 years with otitis media with effusion (OME)

It is very uncertain whether ventilation tubes changes hearing ‐ return to normal hearing Randomised by ear: normal defined… compared with no treatment (very low certainty).

1 finding from 1 review

Ventilation tubes vs myringotomy

Hearing ‐ return to normal *Ventilation tubes versus laser myringotomy (6 to 12 months ‐ medium‐term) Adjusted for non‐independence of within‐individual measurements Assumed ICC of 0.5 № of participants: 132 (2 RCTs) · children aged 6 months to 12 years with otitis media with effusion (OME)

It is very uncertain whether ventilation tubes changes hearing ‐ return to normal *Ventilation tubes versus laser… compared with myringotomy (very low certainty).

1 finding from 1 review

Ventilation tubes vs no treatment

Adverse event: persistent perforation · children aged 6 months to 12 years with otitis media with effusion (OME)

It is very uncertain whether ventilation tubes changes adverse event: persistent perforation Randomised by ear, assumed CC… compared with no treatment (very low certainty).

1 finding from 1 review