Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,234 questions · 2,325 findings · 216 reviews · Airways

No studies found 249 · 10.7%GRADE not reported 107 · 4.6%Very low 276 · 11.9%Low 751 · 32.3%Moderate 718 · 30.9%High 224 · 9.6%

Combination of anticholinergics + beta2‐agonists vs B2‐agonists alone

Asthma clinical scores · children hospitalised with an acute asthma exacerbation

Combination of anticholinergics + beta2‐agonists showed no clear difference in asthma clinical scores compared with beta2‐agonists alone (moderate certainty).

1 finding from 1 review

Combination of anticholinergics + beta2‐agonists vs B2‐agonists alone

Overall withdrawals · children hospitalised with an acute asthma exacerbation

Combination of anticholinergics + beta2‐agonists showed no clear difference in overall withdrawals compared with beta2‐agonists alone (moderate certainty).

1 finding from 1 review

Intervention not reported

SGRQ Scores range from 0 to 100, with higher scores indicating more limitations · 18 to 80 years of age with bronchiectasis

The intervention showed no clear difference in SGRQ Scores range from 0 to 100, with higher scores indicating more… (low certainty).

1 finding from 1 review

Intervention not reported

TDI Total scores range from ‐ 9 to +9. The lower the score, the greater the deterioration in severity of dyspnoea, MCID ≥ 1 · 18 to 80 years of age with bronchiectasis

The intervention may leads to higher TDI Total scores range from ‐ 9 to +9. The lower the score, the… (low certainty).

1 finding from 1 review