Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,155 questions · 1,191 findings · 195 reviews · Headline outcomes only

No studies found 209 · 17.5%GRADE not reported 51 · 4.3%Very low 256 · 21.5%Low 273 · 22.9%Moderate 284 · 23.8%High 118 · 9.9%

Bronchial thermoplasty vs active control

Participants admitted to hospital because of respiratory adverse events (post‐treatment period) · adults with asthma

Bronchial thermoplasty showed no clear difference in participants admitted to hospital because of respiratory adverse… compared with any active control (moderate certainty).

1 finding from 1 review