Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,199 questions · 1,226 findings · 451 reviews

No studies found 289 · 23.6%GRADE not reported 121 · 9.9%Very low 350 · 28.5%Low 279 · 22.8%Moderate 139 · 11.3%High 48 · 3.9%

Band ligation vs no intervention or a sham procedure

Adverse events considered non‐serious · children with portal hypertension and large oesophageal varices, without previous gastrointestinal bleeding or beta‐blocker treatment

The review found no eligible studies for this question.

1 finding from 1 review

HFNC vs continuous positive airway pressure (CPAP)

Adverse events ‐ abdominal overdistention · respiratory support in term infants (infants ≥ 37 weeks gestational age to the end of the neonatal period (up to 1 month postnatal age))

It is very uncertain whether summary of findings table ‐ High flow nasal cannula (HFNC) changes adverse events ‐ abdominal overdistention compared with continuous positive airway pressure (CPAP) (very low certainty).

1 finding from 1 review