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What do systematic reviews say?

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Evidence found and GRADE certainty

1 questions · 1 findings · 1 reviews · Headline outcomes only

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Tranexamic acid vs placebo

Blood transfusion · patients with upper gastrointestinal bleeding

It is very uncertain whether tranexamic acid changes transfusion Number needing blood transfusion compared with placebo (very low certainty).

1 finding from 1 review