Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

444 questions · 453 findings · 34 reviews · Headline outcomes only

No studies found 117 · 25.8%GRADE not reported 17 · 3.8%Very low 176 · 38.9%Low 96 · 21.2%Moderate 34 · 7.5%High 13 · 2.9%

Higher‐dose anticoagulants vs lower‐dose anticoagulants

Necessity for additional respiratory support · people hospitalised with COVID‐19

It is very uncertain whether higher‐dose anticoagulants changes necessity for additional respiratory support compared with lower‐dose anticoagulants (very low certainty).

1 finding from 1 review