Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,133 questions · 1,153 findings · 36 reviews · Skin

No studies found 407 · 35.3%GRADE not reported 90 · 7.8%Very low 183 · 15.9%Low 209 · 18.1%Moderate 211 · 18.3%High 53 · 4.6%

Penicillin vs no treatment

Proportion of participants achieving clear or almost clear skin (PASI 90 to 100 or PGA 0 to 1) · guttate psoriasis

It is very uncertain whether penicillin changes proportion of participants achieving clear or almost clear skin… compared with no treatment (very low certainty).

1 finding from 1 review