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What do systematic reviews say?

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1,793 questions · 1,866 findings · 339 reviews

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No studies found 245 · 13.1%GRADE not reported 142 · 7.6%Very low 612 · 32.8%Low 513 · 27.5%Moderate 305 · 16.3%High 49 · 2.6%

Acupuncture vs placebo or sham acupuncture

Overall clinical improvement at short‐term · carpal tunnel syndrome
2 findings from 1 review

Electroacupuncture plus night splints vs night splints alone

Overall clinical improvement at short‐term · carpal tunnel syndrome
2 findings from 1 review

Laser acupuncture vs placebo/sham laser acupuncture

Overall clinical improvement at short‐term · carpal tunnel syndrome

Laser acupuncture may leads to higher overall clinical improvement at short‐term compared with placebo/sham laser acupuncture (low certainty).

2 findings from 1 review

Transradial vs transfemoral approach

Short‐term NACE · people with coronary artery disease undergoing diagnostic coronary angiography and percutaneous coronary intervention

Transradial probably leads to lower short‐term NACE compared with transfemoral approach (moderate certainty).

1 finding from 1 review

Transradial vs transfemoral approach

Short‐term cardiac death · people with coronary artery disease undergoing diagnostic coronary angiography and percutaneous coronary intervention

Transradial probably leads to lower short‐term cardiac death compared with transfemoral approach (moderate certainty).

1 finding from 1 review

Transradial vs transfemoral approach

Short‐term MI · people with coronary artery disease undergoing diagnostic coronary angiography and percutaneous coronary intervention

Transradial showed no clear difference in short‐term MI compared with transfemoral approach (high certainty).

1 finding from 1 review

Transradial vs transfemoral approach

Short‐term all‐cause mortality · people with coronary artery disease undergoing diagnostic coronary angiography and percutaneous coronary intervention

Transradial leads to lower short‐term all‐cause mortality compared with transfemoral approach (high certainty).

1 finding from 1 review

Once‐daily ICS/LABA combined inhalers vs once‐daily LAMA

Any COPD exacerbation that requires short‐burst oral corticosteroids or antibiotics, or both · patients with chronic obstructive pulmonary disease

It is very uncertain whether once‐daily ICS/LABA combined inhalers changes any COPD exacerbation that requires short‐burst oral corticosteroids… compared with once‐daily LAMA (very low certainty).

1 finding from 1 review