Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,749 questions · 14,273 findings · 834 reviews

No studies found 3,655 · 25.6%GRADE not reported 2,115 · 14.8%Very low 3,646 · 25.5%Low 3,034 · 21.3%Moderate 1,503 · 10.5%High 320 · 2.2%

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Environmental interventions vs no intervention

Blood lead levels (continuous)Blood lead level at end of duration Scale: 0–30 · children (aged 0–6 years)
2 findings from 1 review

Rehabilitation interventions vs no intervention

Quality of life and participation ‐ mobility and navigation (Analysis 3.1) · stroke survivors with tactile perception disorders

Rehabilitation interventions showed no clear difference in quality of life and participation ‐ mobility and navigation… compared with no treatment or control; GRADE not reported.

1 finding from 1 review