• Asbjørn Hasselager, Cathrine Bohnstedt, Doris Østergaard, Claus Sønderskov, Kristine Bihrmann, Martin G Tolsgaard, and Lauritsen Torsten L B TLB Department of Anaesthesia, The Juliane Marie Centre, Rigshospitalet University Hospital, Copenhagen, Denmark..
• University of Copenhagen, Copenhagen Academy for Medical Education and Simulation (CAMES), RegionH, Denmark. Electronic address: ahasselager@dadlnet.dk.
• Resuscitation. 2019 May 1; 138: 28-35.

AimTo compare dyad (training in pairs without an instructor) with resource-intensive instructor-led training for laypersons' paediatric resuscitation skills in a non-inferiority trial and examine cost-effectiveness of the training methods.MethodsIn this randomised parallel group non-inferiority trial, 155 dyad and 175 instructor-led laypersons were trained in Basic Life Support and Foreign Body Airway Obstruction Management. Dyads were given instructional videos, hands-on exercises and provided feedback to their partner for 50 min. Instructor-led laypersons trained in groups of six for two hours. Learning were assessed in scenarios immediately after training and, subsequently, at 14 days, 1, and 3 months. Pass rates, cost-effectiveness of producing a competent layperson (passing both tests), and non-inferiority were analysed.ResultsSixty-eight (45.6%) dyad and 130 (74.3%) instructor-led laypersons passed the basic life support test (p < 0.001). For Foreign Body Airway Obstruction Management 77 (54.2%) dyad and 130 (79.3%) for instructor-led laypersons passed (p < 0.001). Skills decreased over three months for both groups. Forty-two (30.4%) dyad and ninety-eight (59.8%) for instructor-led laypersons were competent after training (p < 0.001). The lower effectiveness of dyad training had reduced costs (p < 0.001). For each 10,000 USD allocated to training, dyad training would result in 71 vs. 65 competent laypersons for instructor-led training. Non-inferiority of dyad training could not be established.ConclusionInstructor-led training was the most effective but also the most expensive training method, making it less cost-effective than dyad training. When the aim is to train for quantity rather than quality, dyad training would be the preferred choice of training method.Copyright © 2019 Elsevier B.V. All rights reserved.

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