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Table 4 Positioning of first aider during chest compressions

From: Smartphone apps to support laypersons in bystander CPR are of ambivalent benefit: a controlled trial using medical simulation

 

Control group (n,%)

Facultative group (n,%)

Mandatory group (n,%)

Correct body position

63 (85.1)

61 (95.4)

60 (100)

Correct arm posture

72 (97.3)

60 (93.7)

57 (95.0)