Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,234 questions · 2,325 findings · 216 reviews · Airways

No studies found 249 · 10.7%GRADE not reported 107 · 4.6%Very low 276 · 11.9%Low 751 · 32.3%Moderate 718 · 30.9%High 224 · 9.6%

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

Intervention not reported

Mortality, due to pneumonia · patients with chronic obstructive pulmonary disease

It is very uncertain whether the intervention changes mortality, due to pneumonia (very low certainty).

1 finding from 1 review

Intervention not reported

Non‐fatal, serious adverse events (all) · patients with chronic obstructive pulmonary disease

The intervention showed no clear difference in non‐fatal, serious adverse events (all) (moderate certainty).

1 finding from 1 review

Intervention not reported

Non‐fatal, serious adverse pneumonia events (requiring hospital admission) · patients with chronic obstructive pulmonary disease

The intervention leads to higher non‐fatal, serious adverse pneumonia events (requiring hospital… (high certainty).

1 finding from 1 review

Intervention not reported

Mortality, due to pneumonia · patients with chronic obstructive pulmonary disease

The intervention showed no clear difference in mortality, due to pneumonia (moderate certainty).

1 finding from 1 review

Intervention not reported

Non‐fatal, serious adverse events (all) · patients with chronic obstructive pulmonary disease

The intervention showed no clear difference in non‐fatal, serious adverse events (all) (high certainty).

1 finding from 1 review

Intervention not reported

Non‐fatal, serious adverse pneumonia events (requiring hospital admission) · patients with chronic obstructive pulmonary disease

The intervention showed no clear difference in non‐fatal, serious adverse pneumonia events (requiring hospital… (moderate certainty).

1 finding from 1 review