Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

182 questions · 189 findings · 24 reviews · Pain, Palliative and Supportive Care · Headline outcomes only

No studies found 20 · 10.6%GRADE not reported 3 · 1.6%Very low 54 · 28.6%Low 62 · 32.8%Moderate 43 · 22.8%High 7 · 3.7%

High‐concentration (8%) capsaicin patch vs control patch (0.4%)

Patient Global Impression of Change much or very much improved · adults with postherpetic neuralgia
2 findings from 1 review