Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

870 questions · 912 findings · 85 reviews · Airways

No studies found 65 · 7.1%GRADE not reported 34 · 3.7%Very low 115 · 12.6%Low 273 · 29.9%Moderate 330 · 36.2%High 95 · 10.4%

Indacaterol vs placebo

Exacerbations (number of people experiencing ≥ 1 exacerbations) · patients with chronic obstructive pulmonary disease

Indacaterol leads to lower number of participants experiencing 1 or more exacerbations compared with placebo (high certainty).

1 finding from 1 review

Intervention not reported

Quality of life (dyspnoea) Measured on the CRQ, the output is a number from 0 to 7, where higher on the scale is better. MID is 0.5. · adults with COPD who had exertional dyspnoea but did not fulfil the criteria for long‐term oxygen treatment

The intervention probably leads to higher quality of life (dyspnoea) Measured on the CRQ, the output is a… (moderate certainty).

1 finding from 1 review

Treatment route: intravenous corticosteroid vs oral corticosteroid

Mortality after discharge (1‐3 months) · exacerbations of COPD

Treatment route: intravenous corticosteroid showed no clear difference in mortality after discharge (1‐3 months) compared with oral corticosteroid (moderate certainty).

1 finding from 1 review