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Fig. 1 | BMC Emergency Medicine

Fig. 1

From: Evaluation of manual chest compressions according to the updated cardiopulmonary resuscitation guidelines and the impact of feedback devices in an educational resuscitation course

Fig. 1

Box plots of the changes in median chest compression rate and chest compression depth. Blank boxes denote data obtained prior to the feedback, and shaded boxes denote data obtained after the feedback. Black vertical lines represent the target chest compression rate (CCR) and chest compression depth (CCD) ranges of 100–120 chest compressions per minute (cpm) and 5–6 cm, respectively. The percentages of participants achieving the correct CCR and CCD are shown to the right of the box plots, and P values are based on the Wilcoxon signed-rank test

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