Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,097 questions · 3,266 findings · 631 reviews

No studies found 430 · 13.2%GRADE not reported 193 · 5.9%Very low 995 · 30.5%Low 904 · 27.7%Moderate 591 · 18.1%High 153 · 4.7%

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 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

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

Mirtazapine vs placebo

Participant‐reported sleep problems (scale: 0 to 28; higher scores indicate more sleep problems) · adults with fibromyalgia

Mirtazapine showed no clear difference in participant‐reported sleep problems (scale: 0 to 28; higher scores… compared with placebo (low certainty).

1 finding from 1 review

Acupuncture vs sham

Pain (short term) WOMAC scale from 0 to 20 points (higher is worse pain). · patients with hip osteoarthritis
1 finding from 1 review

Acupuncture vs sham

Function (short‐term) WOMAC scale from: 0 to 100 (higher is worse function). · patients with hip osteoarthritis
1 finding from 1 review

Acupuncture vs NSAIDs

Pain (short term) WOMAC scale from 0 to 20 points (higher is worse pain). · patients with hip osteoarthritis
1 finding from 1 review

Acupuncture vs NSAIDs

Function (short‐term) Harris function score from: 0 to 47 (higher is better function). · patients with hip osteoarthritis
1 finding from 1 review