Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,062 questions · 1,113 findings · 171 reviews · Headline outcomes only

No studies found 161 · 14.5%GRADE not reported 41 · 3.7%Very low 269 · 24.2%Low 321 · 28.8%Moderate 252 · 22.6%High 69 · 6.2%

Intervention not reported

Prejudice Multiple scales4 · General public or any of its constituent groups (excluding groups comprising solely of people with mental ill health)

The intervention may leads to higher prejudice Multiple scales4 (low certainty).

1 finding from 1 review

Intervention not reported

Clinically apparent hepatitis A (multiple doses) low risk of bias Dienstag 1999 · patients with preventing hepatitis A.

The intervention leads to lower clinically apparent hepatitis A (multiple doses) low risk of bias… (high certainty).

1 finding from 1 review

Intervention not reported

Clinically apparent hepatitis A (multiple doses) all included trials Dienstag 1999 · patients with preventing hepatitis A.

The intervention probably leads to lower clinically apparent hepatitis A (multiple doses) all included trials… (moderate certainty).

1 finding from 1 review