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What do systematic reviews say?

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Evidence found and GRADE certainty

1,733 questions · 1,794 findings · 326 reviews · Headline outcomes only

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No studies found 243 · 13.5%GRADE not reported 96 · 5.4%Very low 597 · 33.3%Low 506 · 28.2%Moderate 303 · 16.9%High 49 · 2.7%

Information, feedback, and/or counselling vs information only or no intervention

Mean difference in time in sitting bouts lasting 30 minutes or more, short‐term · employees who sit at work
2 findings from 1 review

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