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%

Antibiotics vs no treatment or placebo on top of topical antibiotics

Ear pain (otalgia) or discomfort or local irritation · people (of any age) with CSOM

It is very uncertain whether systemic antibiotics changes ear pain (otalgia) or discomfort or local irritation ‐ measured at 1… compared with no treatment or placebo on top of topical antibiotics (very low certainty).

1 finding from 1 review

Antibiotics vs no treatment or placebo on top of topical antibiotics

Suspected ototoxicity · people (of any age) with CSOM

It is very uncertain whether systemic antibiotics changes suspected ototoxicity ‐ measured at 10 days to 3 weeks compared with no treatment or placebo on top of topical antibiotics (very low certainty).

1 finding from 1 review

Antibiotics vs no treatment or placebo on top of topical antibiotics

Resolution of ear discharge ‐ measured after 4 weeks · people with CSOM; one study included patients of unknown age; one study included children with CSOM who had not responded to initial…

It is very uncertain whether systemic antibiotics changes resolution of ear discharge ‐ measured after 4 weeks (4 weeks)… compared with no treatment or placebo on top of topical antibiotics (very low certainty).

2 findings from 1 review

Antibiotics vs no treatment or placebo on top of topical antibiotics

Serious complications ‐ mastoid abscess measured at 12 weeks · people with CSOM; one study included patients of unknown age; one study included children with CSOM who had not responded to initial…

It is very uncertain whether systemic antibiotics changes serious complications ‐ mastoid abscess measured at 12 weeks compared with no treatment or placebo on top of topical antibiotics (very low certainty).

1 finding from 1 review