Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

191 questions · 214 findings · 25 reviews · Airways

No studies found 37 · 17.3%GRADE not reported 9 · 4.2%Very low 48 · 22.4%Low 60 · 28%Moderate 54 · 25.2%High 6 · 2.8%

Anti‐IgE mAb (omalizumab) vs usual care

Exacerbations · autumn asthma exacerbations in children

Omalizumab probably leads to lower exacerbations compared with usual care (moderate certainty).

3 findings from 1 review

Non‐invasive ventilation vs usual care

All‐cause mortality · Patients admitted to hospital with acute hypercapnic respiratory failure due to an exacerbation of chronic obstructive pulmonary disease…

Non‐invasive ventilation probably leads to lower mortality compared with usual medical care (moderate certainty).

1 finding from 1 review

Non‐invasive ventilation vs usual care

Need for intubation · Patients admitted to hospital with acute hypercapnic respiratory failure due to an exacerbation of chronic obstructive pulmonary disease…

Non‐invasive ventilation probably leads to lower need for endotracheal intubation compared with usual medical care (moderate certainty).

1 finding from 1 review