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. 2021 Jun 29;7:100138. doi: 10.1016/j.resplu.2021.100138

Table 2.

Results.

2.1. Point for chest compressions (PCC): healthcare professionals vs laypersons
PCC Healthcare Professionals Laypersons P-value
Male thorax 27.5 ± 15.0 mm 36.7 ± 22.1 mm 0.03
Female thorax 18.3 (12.0;29.9) mm 44.9 (24.3;72.1) mm <0.0001
2.2. Center of the chest (COC) identification: healthcare professionals vs laypersons
COC Healthcare Professionals Laypersons P-value
Male thorax 33.9 (23.4;54.2) mm 37.6 (23.5;51.4) mm 0.57
Female thorax 20.6 (12.1;35.4) mm 19.9 (11.4;27.3) mm 0.50
2.3. Center of the chest vs point for chest compressions for laypersons
Laypersons COC PCC P-value
Male thorax 37.8 ± 19.3 mm 36.7 ± 22.1 mm 0.08
Female thorax 19 (11.4;27.3) mm 44.9 (24.3;72.1) mm <0.0001
2.4. Center of the chest vs point for chest compressions for healthcare professionals
Healthcare Professionals COC PCC P-value
Male thorax 33.9 (23.4;54,2) mm 25.0 (16.5;39.2) mm 0.001
Female thorax 20.16 (12.1;35.4) mm 18.3 (12.0;29.9) mm 0.09

COC = data from the instruction to point out the centre of the patient’s chest, PCC = data from the instruction to place the point to perform chest compressions.