Dispatcher-Assisted Cardiopulmonary Resuscitation: A Randomized Controlled Trial of Low-Dose, High-Frequency Simulation-Based Training and the Impact on Real Out-of-Hospital Cardiac Arrest Calls
Phase: NA
Conditions: Out-Of-Hospital Cardiac Arrest
Sponsor: Emergency Medical Services, Capital Region, Denmark

Supplementary assessment points for table 1 
  
December 27, 2019 
 
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Dispatcher-Assisted Cardiopulmonary Resuscitation: A Randomized 
Controlled Trial of Low-Dose, High-Frequency Simulation-Based Training and 
the Impact on Real Out-of-Hospital Cardiac Arrest Calls  
General Information 
Primary Sponsor and Principal Investigator: Freddy Lippert, MD, Associate Professor, Copenhagen Emergency 
Medical Services, and The Faculty of Health and Medical Sciences, Department of Clinical Medicine, University of 
Copenhagen, Denmark 
Responsible Investigator: Freddy Lippert, MD, Associate Professor 
Funding: The study is financed by an unrestricted research grant from the Danish foundation TrygFonden. 
Trial registration 
The protocol will be registered on ClinicalTrials.gov prior to enrolment and randomisation of participants. All 
items from the World Health Organization Trial Registration Data Set will be reported. 
Investigators: 
Oscar Rosenkrantz, Copenhagen Emergency Medical Services, and Copenhagen Academy for Medical Education 
and Simulation, Capital Region of Denmark and University of Copenhagen, Copenhagen, Denmark 
Kristine Elisabeth Eberhard, Copenhagen Emergency Medical Services, and Copenhagen Academy for Medical 
Education and Simulation, Capital Region of Denmark and University of Copenhagen, Copenhagen, Denmark 
Roselil Maria Oelrich, Copenhagen Emergency Medical Services, University of Copenhagen, Copenhagen, 
Denmark 
Anne Lippert, Copenhagen Academy for Medical Education and Simulation, Capital Region of Denmark and 
University of Copenhagen, Copenhagen, Denmark 
Gitte Linderoth, Copenhagen Emergency Medical Services, and Department of Anaesthesia and Intensive Care, 
Copenhagen University Hospital – Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark 
Anders Granholm, Department of Intensive Care 4131, Copenhagen University Hospital – Rigshospitalet, 
Copenhagen, Denmark 
Annette Kjær Ersbøll, National Institute of Public Health, University of Southern Denmark, Copenhagen, 
Denmark 
Fredrik Folke, Copenhagen Emergency Medical Services, and Herlev Gentofte Hospital, Department of 
Cardiology, and The Faculty of Health and Medical Sciences, Department of Clinical Medicine, University of 
Copenhagen, Denmark 
Participants will be enrolled and randomized in the start of September 2019. 
Data collection is planned to start in mid-September 2019 and run for 13 weeks. 

Supplementary assessment points for table 1 
  
December 27, 2019 
 
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Supplementary assessment points for table 1 – questionnaire content for simulated and real OHCA calls 
 
Assessment points 
Result (time or 
yes/no/NA) 
Address verified? 
(yes/no) 
Patient placed on hard surface? 
(yes/no) 
Callers phone set to speaker mode? 
(yes/no) 
Caller guiding in rescue breaths when caller has not received BLS training? 
(yes/no) 
Straight arms addressed? 
(yes/no) 
Hand placement addressed? 
(yes/no) 
Callers placement next to patient addressed? 
(yes/no)