Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

520 questions · 527 findings · 55 reviews · Headline outcomes only

No studies found 140 · 26.6%GRADE not reported 66 · 12.5%Very low 121 · 23%Low 115 · 21.8%Moderate 77 · 14.6%High 8 · 1.5%

Setting of BP measurement: self‐measurement vs conventional clinic measurement

Preterm birth less than 34 weeks' gestation · pregnant women with chronic or gestational hypertension

Setting of BP measurement: self‐measurement showed no clear difference in preterm birth (birth before 34 completed weeks' gestation) compared with conventional clinic measurement (low certainty).

1 finding from 1 review

Setting of BP measurement: self‐measurement vs conventional clinic measurement

Neonatal unit admission · pregnant women with chronic or gestational hypertension

Setting of BP measurement: self‐measurement showed no clear difference in neonatal unit admission compared with conventional clinic measurement (low certainty).

1 finding from 1 review

Technique of BP measurement: Korotkoff phase IV vs Korotkoff phase V to represent diastolic BP

Pre‐eclampsia · pregnant women with diastolic hypertension

Technique of BP measurement: Korotkoff phase IV showed no clear difference in pre‐eclampsia compared with korotkoff phase V to represent diastolic BP (low certainty).

1 finding from 1 review

Technique of BP measurement: Korotkoff phase IV vs Korotkoff phase V to represent diastolic BP

Perinatal mortality · pregnant women with diastolic hypertension

Technique of BP measurement: Korotkoff phase IV showed no clear difference in perinatal mortality compared with korotkoff phase V to represent diastolic BP (low certainty).

1 finding from 1 review