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Table 1 Characteristics of the entire cohort (n = 1,610) who were eligible for matching and received C-CPR

From: An automated CPR device compared with standard chest compressions for out-of-hospital resuscitation

Characteristics   C-CPR
  n = 1,610
Age median [IQR](years) 67 [54–78]
Gender Male n(%)   1,124 (70)
Bystander CPR n(%)   689 (43)
Initial Rhythm   
  Asystole n(%) 605 (38)
  VF/VT n(%) 450 (28)
  PEA n(%) 239 (15)
  Other n(%) 306 (19)
  Unknown n(%) 10 (1)
Witnessed status   
  Witnessed n(%) 808 (50)
  Witnessed by EMS n(%) 270 (17)
  Not witnessed n(%) 519 (32)
Precipitating Event   
  Presumed cardiac n(%) 1,299 (81)
  Respiratory n(%) 75 (5)
  Neurological n(%) 23 (1)
  Overdose n(%) 36 (2)
  Hanging n(%) 19 (1)
EMS Response time median [IQR] 10 [716]
Overall survival to hospital n(%) 349 (22)
Overall survival to hospital discharge n(%)* 109 (7)
  1. IQR: Inter-quartile range; *Data missing for 85 cases.