Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

23 questions · 23 findings · 3 reviews · Airways

No studies found 7 · 30.4%GRADE not reported 2 · 8.7%Very low 4 · 17.4%Low 6 · 26.1%Moderate 4 · 17.4%High 0 · 0%

Intervention vs usual care

Exacerbations (number of people experiencing ≥ 1 exacerbations) · COPD and at least one other long‐term condition

It is very uncertain whether intervention changes exacerbations ‐ number of people experiencing one or more  compared with usual care (very low certainty).

1 finding from 1 review

Effects of school‐based asthma interventions vs usual care

Asthma symptoms leading to emergency hospital visits (ED visits) · children with asthma

Effects of school‐based asthma interventions may leads to lower asthma symptoms leading to emergency hospital visits (ED visits) compared with usual care (low certainty).

1 finding from 1 review

Effects of school‐based asthma interventions vs usual care

Unplanned visit to hospital or GP due to asthma symptoms (unplanned medical visits) · children with asthma

Effects of school‐based asthma interventions probably leads to lower unplanned visit to hospital or GP due to asthma symptoms (unplanned… compared with usual care (moderate certainty).

1 finding from 1 review