Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

67 questions · 74 findings · 6 reviews

No studies found 26 · 35.1%GRADE not reported 16 · 21.6%Very low 25 · 33.8%Low 6 · 8.1%Moderate 1 · 1.4%High 0 · 0%

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

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

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

Antibiotics vs no treatment or placebo on top of topical antibiotics

Resolution of ear discharge ‐ measured at 1 to 2 weeks · people (of any age) with CSOM

Systemic antibiotics showed no clear difference in resolution of ear discharge ‐ measured at 1 to 2 weeks compared with no treatment or placebo on top of topical antibiotics (low certainty).

1 finding from 1 review

Antibiotics (systemic) vs No antibiotics, placebo, or a different type of antibiotic

Outcome not reported · Patients (mainly children and young adults) with a history of dental trauma and a diagnosis of luxation (intrusion, extrusion, or lateral…

The review found no eligible studies for this question.

1 finding from 1 review

Antibiotics vs no treatment or placebo on top of topical antiseptics

Resolution of ear discharge ‐ measured after 4 weeks · schoolchildren with CSOM

It is very uncertain whether systemic antibiotics changes resolution of ear discharge (4 weeks or more) ‐ measured at 3 to 4… compared with no treatment or placebo on top of topical antiseptics (very low certainty).

1 finding from 1 review