Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

327 questions · 337 findings · 47 reviews · Headline outcomes only

No studies found 69 · 20.5%GRADE not reported 35 · 10.4%Very low 49 · 14.5%Low 73 · 21.7%Moderate 63 · 18.7%High 48 · 14.2%

Personalised risk communication vs general risk information

Accurately‐perceived risk proportion of participants who perceived risk accurately · patients with informed decision making about taking screening tests

Personalised risk communication showed no clear difference in accurately‐perceived risk proportion of participants who perceived… compared with general risk information (low certainty).

1 finding from 1 review

Outreach clinic vs house‐to‐house screening

Tuberculosis cases detected (microbiologically confirmed) · adults

It is very uncertain whether outreach clinic changes tuberculosis cases detected (microbiologically confirmed) compared with house‐to‐house screening (very low certainty).

1 finding from 1 review

Intervention not reported

Health‐seeking behaviour · Pregnant women undergoing prenatal serum screening for Down syndrome

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Patient's evaluation of the intervention (including perceptions of safety) · Pregnant women undergoing prenatal serum screening for Down syndrome

The review found no eligible studies for this question.

1 finding from 1 review