Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,801 questions · 4,079 findings · 473 reviews

No studies found 669 · 16.4%GRADE not reported 852 · 20.9%Very low 738 · 18.1%Low 903 · 22.1%Moderate 716 · 17.6%High 201 · 4.9%

Back School vs combined myofascial therapy and joint manipulation

Adverse events Number of events · participants with acute or subacute low‐back pain

It is very uncertain whether back school changes adverse events Number of events compared with combined myofascial therapy and joint manipulation (very low certainty).

1 finding from 1 review

Systematic screening vs no/opportunistic screening

All‐cause mortality · general population including those at moderate to high risk of CVD, mean age between 30 and 75

Systematic screening showed no clear difference in all‐cause mortality compared with no/opportunistic screening (low certainty).

1 finding from 1 review

Systematic screening vs no/opportunistic screening

Total coronary heart disease · general population including those at moderate to high risk of CVD, mean age between 30 and 75

Systematic screening showed no clear difference in coronary heart disease (total) compared with no/opportunistic screening (low certainty).

1 finding from 1 review

Intervention not reported

Incident dementia ‐ not measured · adults with cognitive impairment/dementia and cognitively intact populations

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Composite cognitive function6 (change over 16 weeks) · adults with cognitive impairment/dementia and cognitively intact populations
1 finding from 1 review