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%

Long‐acting beta2‐agonist plus tiotropium vs tiotropium

Hospital admission (exacerbation) · addition to tiotropium versus either tiotropium or LABA alone for chronic obstructive pulmonary disease

Long‐acting beta2‐agonist plus tiotropium showed no clear difference in hospital admission (exacerbation) compared with tiotropium alone (low certainty).

1 finding from 1 review

Long‐acting beta2‐agonist plus tiotropium vs tiotropium

Mortality (all cause) · addition to tiotropium versus either tiotropium or LABA alone for chronic obstructive pulmonary disease

Long‐acting beta2‐agonist plus tiotropium showed no clear difference in mortality (all cause) compared with tiotropium alone (low certainty).

1 finding from 1 review

Long‐acting beta2‐agonist plus tiotropium vs long‐acting beta2‐agonist alone

Quality of life SGRQ responder analysis at 6 months · addition to tiotropium versus either tiotropium or LABA alone for chronic obstructive pulmonary disease

Long‐acting beta2‐agonist plus tiotropium probably leads to higher quality of life SGRQ responder analysis at 6 months compared with long‐acting beta2‐agonist alone (moderate certainty).

1 finding from 1 review

Long‐acting beta2‐agonist plus tiotropium vs long‐acting beta2‐agonist alone

Hospital admissions · addition to tiotropium versus either tiotropium or LABA alone for chronic obstructive pulmonary disease

Long‐acting beta2‐agonist plus tiotropium showed no clear difference in hospital admission (all cause) compared with long‐acting beta2‐agonist alone (moderate certainty).

1 finding from 1 review

Tiotropium vs ipratropium

Mortality (all‐cause) · chronic obstructive pulmonary disease (COPD). Participants in included studies had an average baseline FEV1 of around 40% predicted and…

Tiotropium showed no clear difference in mortality (all‐cause) compared with ipratropium (moderate certainty).

1 finding from 1 review

Indacaterol vs long‐acting beta2‐agonist alone

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

Indacaterol showed no clear difference in number of participants experiencing at least 1 exacerbation… compared with twice‐daily long‐acting beta2‐agonists (moderate certainty).

1 finding from 1 review

Indacaterol vs long‐acting beta2‐agonist alone

Serious adverse events Adverse events · patients with chronic obstructive pulmonary disease

Indacaterol showed no clear difference in serious adverse events Adverse events compared with twice‐daily long‐acting beta2‐agonists (moderate certainty).

1 finding from 1 review

Indacaterol vs long‐acting beta2‐agonist alone

Mortality Deaths · patients with chronic obstructive pulmonary disease

Indacaterol showed no clear difference in mortality Deaths compared with twice‐daily long‐acting beta2‐agonists (moderate certainty).

1 finding from 1 review

Indacaterol vs placebo

Quality of life: number of participants with clinically significant improvement (≥ 4 units) in SGRQ total score · patients with chronic obstructive pulmonary disease

Indacaterol leads to higher number of participants with a clinically significant improvement in… compared with placebo (high certainty).

1 finding from 1 review