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Evidence found and GRADE certainty

4,776 questions · 7,311 findings · 959 reviews · Headline outcomes only

No studies found 1,498 · 20.5%GRADE not reported 303 · 4.1%Very low 1,839 · 25.2%Low 1,991 · 27.2%Moderate 1,277 · 17.5%High 403 · 5.5%

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Slow passive expiration vs control

Change in the severity status of bronchiolitis Assessed using a variety of scales · infants up to 24 months of age with acute bronchiolitis

Slow passive expiration showed no clear difference in change in the severity status of bronchiolitis Assessed using a… compared with control (low certainty).

1 finding from 1 review