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%

Skin protection education vs no intervention or minimal intervention

The proportion of participants developing any signs and symptoms of OIHD (incident cases) measured by clinical scores (IGA) or hand dermatitis scores (e.g. HECSI, Manuscore), or both, as rated by the investigator (physician/nurse) or the participa... · workers at risk of occupational irritant hand dermatitis

It is very uncertain whether skin protection education changes the proportion of participants developing any signs and symptoms of… compared with no or minimal intervention (very low certainty).

1 finding from 1 review

Chemical peeling vs combined chemical peeling plus any active intervention

Participant‐reported scar improvement (long‐term) · people with acne scars

It is very uncertain whether chemical peeling changes participant‐reported scar improvement (long‐term) N of participants… compared with combined chemical peeling plus any active intervention (very low certainty).

1 finding from 1 review

Chemical peeling vs combined chemical peeling plus any active intervention

Participant‐assessed adverse events (short‐term) N of participants with adverse events · people with acne scars

It is very uncertain whether chemical peeling changes participant‐assessed adverse events (short‐term) N of participants… compared with combined chemical peeling plus any active intervention (very low certainty).

1 finding from 1 review

Fexofenadine 120 mg/d vs placebo (1‐week intervention)

Primary outcome 2. Proportion of participants reporting adverse effects and serious adverse events throughout the study period · adults with eczema

Fexofenadine 120 mg/d showed no clear difference in primary outcome 2. Proportion of participants reporting adverse… compared with placebo (1‐week intervention) (moderate certainty).

1 finding from 1 review

Loratadine 10 mg vs placebo (4‐week intervention)

Primary outcome 2. Proportion of participants reporting adverse effects and serious adverse events throughout the study period · adults with eczema

Loratadine 10 mg/d showed no clear difference in primary outcome 2. Proportion of participants reporting adverse… compared with placebo (4‐week intervention) (low certainty).

1 finding from 1 review