Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,163 questions · 1,209 findings · 133 reviews · Headline outcomes only

No studies found 176 · 14.6%GRADE not reported 47 · 3.9%Very low 241 · 19.9%Low 323 · 26.7%Moderate 315 · 26.1%High 107 · 8.9%

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

Serious adverse events 22 weeks · adults with asthma not well controlled on ICS

Long‐acting muscarinic antagonists (LAMA) add‐on showed no clear difference in serious adverse events 22 weeks compared with long‐acting beta2‐agonists (LABA) add‐on (low certainty).

1 finding from 1 review

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

Hospital admission (exacerbation) · adults with asthma not well controlled on ICS

It is very uncertain whether long‐acting muscarinic antagonists (LAMA) add‐on changes exacerbations (hospital) compared with long‐acting beta2‐agonists (LABA) add‐on (very low certainty).

1 finding from 1 review

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