Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,454 questions · 3,562 findings · 816 reviews · Headline outcomes only

No studies found 538 · 15.1%GRADE not reported 239 · 6.7%Very low 933 · 26.2%Low 1,041 · 29.2%Moderate 612 · 17.2%High 199 · 5.6%

Any intervention vs artificial tears or saline

Proportion of participants in whose eyes SEIs had developed within 30 days of treatment initiation (lower is favored) · epidemic keratoconjunctivitis

It is very uncertain whether any intervention changes proportion of participants in whose eyes SEIs had developed within… compared with artificial tears or saline (very low certainty).

1 finding from 1 review

Any intervention vs artificial tears or saline

Proportion of participants in whose eyes SEI had disappeared within 21 days of treatment (higher is favored) · epidemic keratoconjunctivitis

It is very uncertain whether any intervention changes proportion of participants in whose eyes SEI had disappeared within… compared with artificial tears or saline (very low certainty).

1 finding from 1 review

Intervention not reported

Deep surgical site infection at 30 days or 90 days, or time points reported by study authors · adults with open long bone fractures; study in the review included only Gustilo II open tibia fractures

The review found no eligible studies for this question.

1 finding from 1 review

Pre‐emptive antifungal therapy vs empirical antifungal therapy

Duration of antifungal use (days) · people with cancer who have febrile neutropenia

It is very uncertain whether pre‐emptive antifungal therapy changes duration of antifungal use (days) compared with empirical antifungal therapy (very low certainty).

1 finding from 1 review

Short‐acting inhaled beta‐2 agonists vs placebo

Number of exacerbations(as reported by number of hospitalisations and number of courses and days on antibiotics) · adults and children with cystic fibrosis

It is very uncertain whether short‐acting inhaled beta‐2 agonists changes number of exacerbations(as reported by number of hospitalisations… compared with placebo (very low certainty).

1 finding from 1 review

Endovascular therapy plus conventional medical treatment vs medical treatment

Death or stroke · people with vertebral artery stenosis

Endovascular treat ment plus medical treatment showed no clear difference in 30‐day post‐randomisation death/stroke compared with medical treatment alone (low certainty).

1 finding from 1 review

Endovascular therapy plus conventional medical treatment vs medical treatment

Fatal/non‐fatal stroke in the territory of the treated vertebral artery stenosis(assessed after 30 days post‐randomisation to completion of · people with vertebral artery stenosis

Endovascular treat ment plus medical treatment showed no clear difference in fatal/non‐fatal stroke in the territory of the treated vertebral… compared with medical treatment alone (moderate certainty).

1 finding from 1 review