Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,006 questions · 3,171 findings · 607 reviews · Headline outcomes only

No studies found 411 · 13%GRADE not reported 153 · 4.8%Very low 968 · 30.5%Low 897 · 28.3%Moderate 589 · 18.6%High 153 · 4.8%

Anti‐angiogenic therapy vs no anti‐angiogenic therapy

Overall survival ( · people with HGG

Anti‐angiogenic therapy showed no clear difference in overall survival ( compared with no anti‐angiogenic therapy (high certainty).

4 findings from 1 review
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Anti‐angiogenic therapy vs no anti‐angiogenic therapy

Progression‐free survival · people with HGG

Anti‐angiogenic therapy leads to lower progression‐free survival ( compared with no anti‐angiogenic therapy (high certainty).

4 findings from 1 review
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Umbilical artery Doppler ultrasound vs no Doppler ultrasound

Any perinatal death after randomisation · pregnant women at increased risk of fetal complications

Umbilical artery Doppler ultrasound probably leads to lower any perinatal death after randomisation compared with no Doppler ultrasound (moderate certainty).

1 finding from 1 review