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Table 3 Refusal rates overall and by trial intervention

From: Who says “no” to participating in stroke clinical trials and why: an observational study from the Vancouver Stroke Program

  Antithrombotic agent Surgery Device Overall
Consented (n (%)) 52 (47) 16 (41) 74 (87) 142 (60)
Refused (n (%)) 59 (53) 23 (59) 11 (13) 93 (40)
Approached (n) 111 39 85 235