Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

477 questions · 520 findings · 39 reviews · Back and Neck

No studies found 91 · 17.5%GRADE not reported 14 · 2.7%Very low 137 · 26.3%Low 149 · 28.7%Moderate 104 · 20%High 25 · 4.8%