Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

194 questions · 206 findings · 19 reviews

No studies found 68 · 33%GRADE not reported 5 · 2.4%Very low 89 · 43.2%Low 27 · 13.1%Moderate 9 · 4.4%High 8 · 3.9%

High‐frequency chest wall oscillation plus fibrobronchoscope alveolar lavage vs fibrobronchoscope alveolar lavage alone

All‐cause mortality · people with severe pneumonia and receiving mechanical ventilation

It is very uncertain whether high‐frequency chest wall oscillation plus fibrobronchoscope… changes mortality compared with fibrobronchoscope alveolar lavage alone (very low certainty).

1 finding from 1 review