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Table 3 Treatment assignment and data collection

From: Real-time feedback, debriefing, and retraining system of cardiopulmonary resuscitation for out-of-hospital cardiac arrests: a study protocol for a cluster parallel-group randomized controlled trial

  Assessments and procedures Before starting trial Enrollment (location of CPR) During CPR Hospitalization
Fire department Treatment assigned X    
Emergency ambulance crew profile Experience (years) Xa    
Qualification as emergency medical technician Xa    
Patient profile Informed consent   Xb Xb X b
Sex     X
Age     X
Witnessing cardiac arrest     X
Site of cardiac arrest     X
Bystander CPR     X
Initial electrocardiogram waveform     X
Survival confirmation     X
Discharge from hospital     X
CPC     X
Quality of CPR Chest compression fraction    Automatically collected during resuscitation  
Depth and speed of chest compressions    
Ventilation-related data    
  1. CPC cerebral performance category, CPR cardiopulmonary resuscitation
  2. aCollected every year
  3. bIf possible