Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

885 questions · 903 findings · 72 reviews

No studies found 106 · 11.7%GRADE not reported 45 · 5%Very low 114 · 12.6%Low 238 · 26.4%Moderate 314 · 34.8%High 86 · 9.5%

Tiotropium + LABA/ICS combination vs tiotropium

Mortality (all‐cause) · patients with chronic obstructive pulmonary disease

Tiotropium + LABA/ICS combination showed no clear difference in mortality (all‐cause) compared with tiotropium (moderate certainty).

1 finding from 1 review

Tiotropium + LABA/ICS combination vs tiotropium

Non‐fatal serious adverse events · patients with chronic obstructive pulmonary disease

Tiotropium + LABA/ICS combination showed no clear difference in serious adverse events (non‐fatal) compared with tiotropium (low certainty).

1 finding from 1 review