Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

125 questions · 126 findings · 20 reviews

No studies found 29 · 23%GRADE not reported 23 · 18.3%Very low 20 · 15.9%Low 36 · 28.6%Moderate 15 · 11.9%High 3 · 2.4%

NB‐UVB plus retinoid vs PUVA plus retinoid

Percentage of participants reaching PASI 75 · People with chronic plaque or guttate psoriasis

NB‐UVB plus retinoid showed no clear difference in percentage of participants reaching PASI 75 compared with PUVA plus retinoid (low certainty).

1 finding from 1 review