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. 2017 Mar 27;2017(3):CD010134. doi: 10.1002/14651858.CD010134.pub2

1. The essential features of the intervention and comparator in the four included studies.

Study Caregiver Intervention Control
Hallstrom 2000 Untrained (bystander) Continuous compression without rescue breathing Interrupted compression with
Fixed ratio rescue breathing (15:2)
Nichol 2015 Trained (EMT) Continuous compression (100/min) with asynchronous rescue breathing (10/min) Interrupted compression with
fixed ratio rescue breathing (30:2)
Rea 2010 Untrained (bystander) Continuous compression without rescue breathing Interrupted compression with
fixed ratio rescue breathing (15:2)
Svensson 2010 Untrained (bystander) Continuous compression without rescue breathing Interrupted compression with
fixed ratio rescue breathing (15:2)