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What do systematic reviews say?

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Evidence found and GRADE certainty

1 questions · 1 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 100%High 0 · 0%

Tiotropium vs long‐acting beta‐agonists

Hospitalisations, number of participants with 1 or more exacerbations · patients with stable chronic obstructive pulmonary disease and > 10 pack years smoking history

Tiotropium probably leads to lower patients with 1 or more exacerbations compared with long‐acting beta‐agonists (moderate certainty).

1 finding from 1 review