Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

191 questions · 214 findings · 25 reviews · Airways

No studies found 37 · 17.3%GRADE not reported 9 · 4.2%Very low 48 · 22.4%Low 60 · 28%Moderate 54 · 25.2%High 6 · 2.8%

Feedback device vs control versus usual care

Correct inhaler technique · people with asthma

Feedback device may leads to higher correct inhaler technique 4‐Week compared with control versus usual care (low certainty).

2 findings from 1 review

Multimedia training vs control versus usual care

Correct inhaler technique · people with asthma

Multimedia training showed no clear difference in correct inhaler technique Immediately after intervention compared with control versus usual care (moderate certainty).

3 findings from 1 review

Action plan vs usual care

Hospitalisations for COPD/100 patient‐years (action plan + phone · acute exacerbations of chronic obstructive pulmonary disease

Action plan showed no clear difference in hospitalisations for COPD/100 patient‐years (action plan + phone compared with usual care (moderate certainty).

1 finding from 1 review

Action plan vs usual care

Hospitalisations and emergency visits for COPD/100 patient‐years (action plan + phone · acute exacerbations of chronic obstructive pulmonary disease

Action plan leads to lower hospitalisations and emergency visits for COPD/100 patient‐years… compared with usual care (high certainty).

1 finding from 1 review