Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,532 questions · 2,642 findings · 483 reviews · Headline outcomes only

No studies found 534 · 20.2%GRADE not reported 82 · 3.1%Very low 641 · 24.3%Low 807 · 30.5%Moderate 472 · 17.9%High 106 · 4%

Intervention not reported

Pain intensity various scales long‐term · adults with chronic low‐back pain
1 finding from 1 review

Intervention not reported

Pain intensity various scales short‐term · adults with chronic low‐back pain
1 finding from 1 review

Intervention not reported

Pain intensity various scales intermediate‐term · adults with chronic low‐back pain
1 finding from 1 review

Intervention not reported

Other outcomes [2] (continuous outcomes) Smoking, dementia, obesity, hypertension, insomnia, anxiety, asthma, phobia)
1 finding from 1 review

Intervention not reported

Sharp reduction of 5 km/h in median speed on experimental roads after program launch. No further reduction observed despite intensified enforcement. However reduction sustained throughout the 15 month trial period.
1 finding from 1 review

Intervention not reported

Pain intensity Various validated pain scales · Patients with osteoarthritis of the knee

The intervention showed no clear difference in pain intensity Various validated pain scales (low certainty).

1 finding from 1 review