Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

259 questions · 260 findings · 27 reviews · Airways

No studies found 22 · 8.5%GRADE not reported 15 · 5.8%Very low 30 · 11.5%Low 99 · 38.1%Moderate 79 · 30.4%High 15 · 5.8%

Single component intervention vs control

Adherence to pharmacotherapy: number of people completing treatment · COPD

Single component intervention showed no clear difference in adherence to pharmacotherapy: number of people completing treatment compared with control (low certainty).

1 finding from 1 review

Multi‐component intervention vs control

Adherence to pharmacotherapy: number of people achieving adherence to medication · COPD

Multi‐component intervention may leads to higher adherence to pharmacotherapy: number of people achieving adherence… compared with control (low certainty).

1 finding from 1 review

Alteplase vs urokinase

Overall treatment failure, including mortality, thoracic surgery or referral for further fibrinolytic therapy · adult parapneumonic effusions and empyema

Alteplase showed no clear difference in overall treatment failure, including mortality, thoracic surgery or… compared with urokinase (low certainty).

1 finding from 1 review

Fibrinolytics vs placebo

Overall treatment failure, including mortality, thoracic surgery or referral for further fibrinolytic therapy · adult parapneumonic effusions and empyema

It is very uncertain whether fibrinolytics changes overall treatment failure, including mortality, thoracic surgery or… compared with placebo (very low certainty).

1 finding from 1 review

Streptokinase vs urokinase

Overall treatment failure, including mortality, thoracic surgery or referral for further fibrinolytic therapy · adult parapneumonic effusions and empyema

Streptokinase showed no clear difference in overall treatment failure, including mortality, thoracic surgery or… compared with urokinase (low certainty).

1 finding from 1 review

Antibiotics vs placebo

Children with progression of the disease resulting in additional medical therapy (complications) (measured as proportion of participants) · prolonged wet cough in children

Antibiotics probably leads to lower children with progression of the disease resulting in additional… compared with placebo (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