Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,352 questions · 1,400 findings · 169 reviews

No studies found 309 · 22.1%GRADE not reported 115 · 8.2%Very low 350 · 25%Low 324 · 23.1%Moderate 240 · 17.1%High 62 · 4.4%

Antibiotics vs placebo or no treatment

Number of participants who were not cured at · children < 24 months with ongoing symptoms (cough/wheeze) post‐acute bronchiolitis

Antibiotics showed no clear difference in number of participants who were not cured at compared with placebo or no treatment (low certainty).

1 finding from 1 review

Antibiotics vs placebo or no treatment

Number of participants rehospitalised for a respiratory illness · children < 24 months with ongoing symptoms (cough/wheeze) post‐acute bronchiolitis

Antibiotics showed no clear difference in number of participants rehospitalised for a respiratory illness compared with placebo or no treatment (low certainty).

1 finding from 1 review

Antibiotics vs placebo or no treatment

Proportion of participants with recurrent wheeze · children < 24 months with ongoing symptoms (cough/wheeze) post‐acute bronchiolitis

Antibiotics showed no clear difference in proportion of participants with recurrent wheeze compared with placebo or no treatment (low certainty).

1 finding from 1 review

Antibiotics vs placebo, no treatment or therapy of unproven effectiveness

Complete resolution of OME at 2 to 3 months · Children with otitis media with effusion

Antibiotics probably leads to higher complete resolution of OME at 2 to 3 months compared with placebo, no treatment or therapy of unproven effectiveness (moderate certainty).

2 findings from 1 review

Antibiotics vs placebo, no treatment or therapy of unproven effectiveness

Complete resolution of OME at more than 6 months · Children with otitis media with effusion

Antibiotics may leads to higher complete resolution of OME at more than 6 months compared with placebo, no treatment or therapy of unproven effectiveness (low certainty).

1 finding from 1 review

Antibiotics vs placebo

Clinical failure rate · patients with uncomplicated acute maxillary sinusitis

Antibiotics probably leads to lower clinical failure rate compared with placebo (moderate 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