Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

210 questions · 233 findings · 48 reviews · Back and Neck

No studies found 10 · 4.3%GRADE not reported 8 · 3.4%Very low 58 · 24.9%Low 79 · 33.9%Moderate 68 · 29.2%High 10 · 4.3%