Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,788 questions · 1,849 findings · 336 reviews

No studies found 245 · 13.3%GRADE not reported 126 · 6.8%Very low 612 · 33.1%Low 512 · 27.7%Moderate 305 · 16.5%High 49 · 2.7%

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

Treatment failure at 1 month or less · patients with acute otitis media

The intervention led to higher treatment failure at 1 month or less; GRADE not reported.

1 finding from 1 review

Intervention not reported

Treatment failure at 8 to 19 days · patients with acute otitis media

The intervention led to higher treatment failure at 8 to 19 days; GRADE not reported.

1 finding from 1 review

Intervention not reported

Treatment failure at 20 to 30 days · patients with acute otitis media

The intervention showed no clear difference in treatment failure at 20 to 30 days; GRADE not reported.

1 finding from 1 review

Intervention not reported

Treatment failure at 8 to 19 days · patients with acute otitis media

The intervention led to higher treatment failure at 8 to 19 days; GRADE not reported.

1 finding from 1 review

Intervention not reported

Treatment failure at 20 to 30 days · patients with acute otitis media

The intervention showed no clear difference in treatment failure at 20 to 30 days; GRADE not reported.

1 finding from 1 review

Intervention not reported

Treatment failure at 3 months or less · patients with acute otitis media

The intervention showed no clear difference in treatment failure at 3 months or less; GRADE not reported.

1 finding from 1 review

Intervention not reported

Treatment failure at 90 days · patients with acute otitis media

The intervention showed no clear difference in treatment failure at 90 days; GRADE not reported.

1 finding from 1 review