Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,520 questions · 1,575 findings · 175 reviews · Headline outcomes only

No studies found 239 · 15.2%GRADE not reported 59 · 3.7%Very low 337 · 21.4%Low 406 · 25.8%Moderate 410 · 26%High 124 · 7.9%

LAMA add‐on vs long‐acting beta2‐agonists (LABA) add‐on

Adverse events (all) · adults with asthma not well controlled on ICS

Long‐acting muscarinic antagonists (LAMA) add‐on showed no clear difference in adverse events (all) compared with long‐acting beta2‐agonists (LABA) add‐on (moderate certainty).

1 finding from 1 review

Treatment route: intravenous corticosteroid vs oral corticosteroid

Mortality after discharge (1‐3 months) · exacerbations of COPD

Treatment route: intravenous corticosteroid showed no clear difference in mortality after discharge (1‐3 months) compared with oral corticosteroid (moderate certainty).

1 finding from 1 review

Treatment route: intravenous corticosteroid vs oral corticosteroid

Treatment failure Need for additional treatment · exacerbations of COPD

Treatment route: intravenous corticosteroid showed no clear difference in treatment failure Need to intensify therapy compared with oral corticosteroid (moderate certainty).

1 finding from 1 review

Treatment route: intravenous corticosteroid vs oral corticosteroid

Relapse Hospital readmission for COPD · exacerbations of COPD

Treatment route: intravenous corticosteroid showed no clear difference in relapse Hospital readmission for COPD compared with oral corticosteroid (moderate certainty).

1 finding from 1 review