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Table 2 Early-phase stem cell studies in stroke: safety events

From: Safety and effectiveness of stem cell therapies in early-phase clinical trials in stroke: a systematic review and meta-analysis

  Experimental (n = 461) Control (n = 329)
Death 16 27
Tumours 5 0
Seizures 21 5
Recurrent stroke 8 1
Haematoma 5 0
Pain 3 0
Infections 11 9
Fever 19 1
Headache 14 0