Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

288 questions · 290 findings · 74 reviews · Headline outcomes only

No studies found 56 · 19.3%GRADE not reported 21 · 7.2%Very low 61 · 21%Low 62 · 21.4%Moderate 39 · 13.4%High 51 · 17.6%

Intervention not reported

Estimation (95% Cl) · children with close tuberculosis contacts Index test: abnormal chest radiography Role: an initial test Threshold for index tests: author…

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Pooled sensitivity 87% (75% to 93%) · children with close tuberculosis contacts Index test: abnormal chest radiography Role: an initial test Threshold for index tests: author…
1 finding from 1 review

Intervention not reported

Pooled specificity 99% (68% to 100%) · children with close tuberculosis contacts Index test: abnormal chest radiography Role: an initial test Threshold for index tests: author…
1 finding from 1 review

Long‐term red cell transfusion vs usual care

SCD‐related SAEs ‐ pain crisis · prevention of SCI in people with SCD and abnormal TCD velocities

It is very uncertain whether long‐term RBC transfusion changes SCD‐related SAEs ‐ pain crisis compared with standard care (very low certainty).

1 finding from 1 review

Long‐term red cell transfusion vs usual care

Proportion of participants developing new or progressive SCI lesions · prevention of SCI in people with SCD and abnormal TCD velocities

Long‐term RBC transfusion may leads to lower proportion of participants developing new or progressive SCI lesions compared with standard care (low certainty).

1 finding from 1 review