Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,922 questions · 3,118 findings · 513 reviews

No studies found 574 · 18.4%GRADE not reported 372 · 11.9%Very low 723 · 23.2%Low 854 · 27.4%Moderate 489 · 15.7%High 106 · 3.4%

Oral magnesium vs placebo/no treatment

Composite outcome: symptoms of leg cramps (intensity and frequency) Partial improvement: decrease in intensity and frequency · treating leg cramps in pregnancy

It is very uncertain whether oral magnesium changes composite outcome: symptoms of leg cramps (intensity and frequency)… compared with placebo/no treatment (very low certainty).

1 finding from 1 review

Virtual reality distraction vs non‐VR distraction

Acute pain · children (0 to 18 years)
5 findings from 1 review
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Virtual reality distraction vs other VR distraction

Acute pain · children (0‐18 years)

The review found no eligible studies for this question.

5 findings from 1 review
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Virtual reality distraction vs no distraction

Acute pain · children (0 to 18 years)

The review found no eligible studies for this question.

5 findings from 1 review
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Sclerotherapy vs no intervention

Serious adverse events and liver‐related morbidity: incidence of congestive hypertensive gastropathy · primary prophylaxis of oesophageal variceal bleeding in children with chronic liver disease or portal vein thrombosis

It is very uncertain whether sclerotherapy changes serious adverse events and liver‐related morbidity: incidence of… compared with no intervention (very low certainty).

1 finding from 1 review