Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

256 questions · 278 findings · 34 reviews · ENT

No studies found 86 · 30.9%GRADE not reported 1 · 0.4%Very low 88 · 31.7%Low 66 · 23.7%Moderate 35 · 12.6%High 2 · 0.7%

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

Anti‐IL‐5 mAb (mepolizumab) vs placebo (on top of topical steroids)

Avoidance of surgery ‐ patients still meeting the criteria for surgery At end of · patients with severe chronic rhinosinusitis with nasal polyps

It is very uncertain whether anti‐IL‐5 mAb (mepolizumab) changes avoidance of surgery ‐ patients still meeting the criteria for… compared with placebo (on top of topical steroids) (very low certainty).

1 finding from 1 review

Anti‐IL‐5 mAb (mepolizumab) vs placebo (on top of topical steroids)

Adverse events ‐ nasopharyngitis, including sore throat · patients with severe chronic rhinosinusitis with nasal polyps

Anti‐IL‐5 mAb (mepolizumab) showed no clear difference in adverse events ‐ nasopharyngitis, including sore throat compared with placebo (on top of topical steroids) (low certainty).

1 finding from 1 review