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What do systematic reviews say?

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Evidence found and GRADE certainty

3,747 questions · 3,943 findings · 594 reviews

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No studies found 784 · 19.9%GRADE not reported 530 · 13.4%Very low 1,040 · 26.4%Low 981 · 24.9%Moderate 444 · 11.3%High 164 · 4.2%

Intervention not reported

Study withdrawal · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Change in hospital admission rates · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Cost‐effectiveness of interventions · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Suicide (Observation period: pre‐intervention 81.5 years; postintervention 71.8 years) · adults or children of all ethnicities

The intervention may leads to lower suicide (Observation period: pre‐intervention 81.5 years;… (low certainty).

1 finding from 1 review

Intervention not reported

Attempted suicide · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Study withdrawal · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Change in hospital admission rates · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Attempted suicide · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Cost‐effectiveness of interventions (the study reviewed suicide data from a bridge and surrounding areas over a 70‐year period, and estimated reductions in mortality due to the barrier over a 20‐year period) · adults or children of all ethnicities
1 finding from 1 review

Intervention not reported

Suicide (Observation period: pre‐intervention 19.5 years; postintervention 6.5 years) · adults or children of all ethnicities

The intervention may leads to lower suicide (Observation period: pre‐intervention 19.5 years;… (low certainty).

1 finding from 1 review

Intervention not reported

Attempted suicide · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Study withdrawal · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Change in hospital admission rates · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Cost‐effectiveness of interventions · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Study withdrawal · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Change in hospital admission rates · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Cost‐effectiveness of interventions · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Suicide (Observation period ‐ pre‐intervention: 89 years; postintervention 78.5 years) · adults or children of all ethnicities

The intervention may leads to lower suicide (Observation period ‐ pre‐intervention: 89 years;… (low certainty).

1 finding from 1 review

Intervention not reported

Attempted suicide · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Study withdrawal · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review