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%

UVA1 vs narrowband UVB

Proportion of participants with adverse effects serious or severe enough to have caused withdrawal ‐ not reported · chronic palmoplantar pustulosis

The review found no eligible studies for this question.

1 finding from 1 review

UVA1 vs narrowband UVB

Proportion of participants with at least 50% improvement in their quality of life ‐ not reported · chronic palmoplantar pustulosis

The review found no eligible studies for this question.

1 finding from 1 review

UVA1 vs narrowband UVB

Proportion of participants achieving a 50% reduction in disease severity ‐ not reported · chronic palmoplantar pustulosis

The review found no eligible studies for this question.

1 finding from 1 review

UVA1 vs narrowband UVB

Proportion of participants without relapse in the long term ‐ not reported · chronic palmoplantar pustulosis

The review found no eligible studies for this question.

1 finding from 1 review

Etretinate vs placebo or no treatment

Proportion of participants cleared or almost cleared ‐ · chronic palmoplantar pustulosis

It is very uncertain whether etretinate changes proportion of participants cleared or almost cleared in the short… compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Etretinate vs placebo or no treatment

Proportion of participants without relapse in the long term ‐ not reported · chronic palmoplantar pustulosis

It is very uncertain whether etretinate changes proportion of participants without relapse in the long term (6 months) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Etretinate vs placebo or no treatment

Proportion of participants with adverse effects ‐ measured over 8 weeks · chronic palmoplantar pustulosis

It is very uncertain whether etretinate changes proportion of participants with adverse effects ‐ measured over 12… compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Etretinate vs PUVA

Proportion of participants cleared or almost cleared ‐ · chronic palmoplantar pustulosis

It is very uncertain whether etretinate changes proportion of participants cleared or almost cleared in the short… compared with PUVA therapy (very low certainty).

1 finding from 1 review