Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

194 questions · 194 findings · 20 reviews

No studies found 72 · 37.1%GRADE not reported 15 · 7.7%Very low 46 · 23.7%Low 46 · 23.7%Moderate 14 · 7.2%High 1 · 0.5%

Intervention not reported

Dietary advice plus exercise advice(1 trial; 265 participants) (another trial 25 participants had zero events in both groups) · people with nonalcohol‐related fatty liver disease (NAFLD)

It is very uncertain whether the intervention changes dietary advice plus exercise advice(1 trial; 265 participants)… (very low certainty).

1 finding from 1 review

Dietary interventions vs usual care

Percentage of participants reaching PASI 75 · psoriasis

Dietary intervention may leads to higher severity of psoriasis PASI 75 (the proportion of participants… compared with usual care (low certainty).

1 finding from 1 review