Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

351 questions · 368 findings · 41 reviews · Headline outcomes only

No studies found 47 · 12.8%GRADE not reported 16 · 4.3%Very low 68 · 18.5%Low 92 · 25%Moderate 97 · 26.4%High 48 · 13%

LAMA vs LABA

Moderate to severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LAMA showed no clear difference in moderate to severe exacerbations: low‐risk population compared with LABA (moderate certainty).

1 finding from 1 review

LABA/LAMA vs LABA plus inhaled corticosteroid (ICS)

Severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/LAMA showed no clear difference in severe exacerbations: low‐risk population compared with LABA/ICS (moderate certainty).

1 finding from 1 review

LABA/LAMA vs LABA plus inhaled corticosteroid (ICS)

Pneumonia: high‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/LAMA probably leads to lower pneumonia: high‐risk population compared with LABA/ICS (moderate certainty).

1 finding from 1 review

LABA/LAMA vs LABA plus inhaled corticosteroid (ICS)

Pneumonia: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/LAMA probably leads to lower pneumonia: low‐risk population compared with LABA/ICS (moderate certainty).

1 finding from 1 review

LABA/LAMA vs LAMA

Moderate to severe exacerbations: high‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/LAMA showed no clear difference in moderate to severe exacerbations: high‐risk population compared with LAMA (moderate certainty).

1 finding from 1 review

LABA/LAMA vs LAMA

Moderate to severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/LAMA showed no clear difference in moderate to severe exacerbations: low‐risk population compared with LAMA (low certainty).

1 finding from 1 review

LABA/LAMA vs LAMA

Severe exacerbations: high‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/LAMA showed no clear difference in severe exacerbations: high‐risk population compared with LAMA (moderate certainty).

1 finding from 1 review

Intervention not reported

All‐cause mortality Median · adults older than 18 years, with no restriction regarding presence of ASCVD; participants generally had elevated risk of ASCVD (as…

The intervention showed no clear difference in all‐cause mortality Median (low certainty).

1 finding from 1 review

Intervention not reported

ASCVD event, such as fatal or non‐fatal myocardial infarction or stroke. Median · adults older than 18 years, with no restriction regarding presence of ASCVD; participants generally had elevated risk of ASCVD (as…

The intervention showed no clear difference in ASCVD event, such as fatal or non‐fatal myocardial infarction or… (low certainty).

1 finding from 1 review

Intervention not reported

Any investigator‐defined adverse event Median · adults older than 18 years, with no restriction regarding presence of ASCVD; participants generally had elevated risk of ASCVD (as…

The intervention probably leads to higher any investigator‐defined adverse event Median (moderate certainty).

1 finding from 1 review

Intervention not reported

Adherence, variable definitions Median · adults older than 18 years, with no restriction regarding presence of ASCVD; participants generally had elevated risk of ASCVD (as…

The intervention probably leads to higher adherence, variable definitions Median (moderate certainty).

1 finding from 1 review