Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,432 questions · 1,467 findings · 116 reviews · Headline outcomes only

No studies found 232 · 15.8%GRADE not reported 202 · 13.8%Very low 286 · 19.5%Low 327 · 22.3%Moderate 286 · 19.5%High 134 · 9.1%

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