Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

563 questions · 568 findings · 104 reviews · Headline outcomes only

No studies found 53 · 9.3%GRADE not reported 26 · 4.6%Very low 85 · 15%Low 214 · 37.7%Moderate 151 · 26.6%High 39 · 6.9%

Planned early birth vs expectant management

Admission to neonatal intensive care unit · preterm prelabour rupture of membranes (PPROM)

Planned early birth probably leads to higher admission to neonatal intensive care compared with expectant management (moderate certainty).

1 finding from 1 review

Planned early birth vs expectant management

Length of maternal hospital stay (days) · preterm prelabour rupture of membranes (PPROM)

Planned early birth showed no clear difference in length of hospital stay (maternal) compared with expectant management (moderate certainty).

1 finding from 1 review

Late (seven days or more following birth) higher vs lower sodium intake

Mortality Mortality at latest · preterm or low birth weight infants

It is very uncertain whether late (seven days or more following birth) higher changes mortality (latest time reported up to hospital discharge) compared with lower sodium intake (very low certainty).

1 finding from 1 review