What do systematic reviews say?

Anticoagulant vs control

Summary of findings table ‐ Anticoagulant probably leads to higher symptomatic intracranial haemorrhage during treatment period compared with control (moderate certainty).

• Anticoagulants for acute ischaemic stroke 2021 · Cochrane Headline outcomes only
  OR 2.47 [1.9, 3.21]
  21 studies · 23221 participants
  Moderate