Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,908 questions · 3,101 findings · 509 reviews

No studies found 571 · 18.4%GRADE not reported 358 · 11.5%Very low 723 · 23.3%Low 854 · 27.5%Moderate 489 · 15.8%High 106 · 3.4%

Fetal biometry vs maternal glycaemic values

Hypertensive disorders of pregnancy · women with gestational diabetes mellitus and their babies

It is very uncertain whether fetal biometry changes hypertensive disorders of pregnancy (including pre‐eclampsia,… compared with maternal glycaemic values (very low certainty).

1 finding from 1 review

Intervention not reported

Hypotension (within 30 days; as defined by study authors, minimum systolic blood pressure < 90 mmHg or requiring medication) · adults undergoing cardiac surgery under general anaesthesia

The intervention showed no clear difference in hypotension (within 30 days; as defined by study authors, minimum… (low certainty).

1 finding from 1 review

Perioperative beta‐blockers vs placebo or usual care

Hypotension · adults undergoing non‐cardiac surgery under general anaesthesia (to include: low‐risk, medium‐risk, and high‐risk surgeries)

Perioperative beta‐blockers probably leads to higher hypotension (within 30 days; as defined by study authors, minimum… compared with placebo or standard care (moderate certainty).

1 finding from 1 review

Laparoscopic vs open appendectomy

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · patients with suspected appendicitis
3 findings from 1 review

Intervention not reported

Maternal admission to intensive care · pregnant women

The intervention showed no clear difference in maternal admission to intensive care (low certainty).

1 finding from 1 review