Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,429 questions · 3,558 findings · 436 reviews

No studies found 660 · 18.5%GRADE not reported 375 · 10.5%Very low 727 · 20.4%Low 887 · 24.9%Moderate 709 · 19.9%High 200 · 5.6%

Intervention not reported

Symptoms and complications of disease: cerebrovascular events (ITT population) · Anderson‐Fabry disease
1 finding from 1 review

Intervention not reported

Chlamydia prevalence (general population) Outcome was chlamydia test positivity after 3 yearly invitations in intervention clusters vs 1 invitation in control areas. Uptake was too low for chlamydia positivity to be considered an unbiased estimate... · healthy adults

The intervention showed no clear difference in chlamydia prevalence (general population) Outcome was chlamydia test… (low certainty).

1 finding from 1 review

Intervention not reported

Chlamydia prevalence (high risk population) Outcome was prevalence of positive chlamydia tests in repeated cross‐sectional surveys of women tested at sex venues after 4 years of intervention. · healthy adults

The intervention may leads to lower chlamydia prevalence (high risk population) Outcome was prevalence… (low certainty).

1 finding from 1 review