Table 5.

Comparison of basic life support skills numerical data using QCPR

BLS component	Behavior	Guideline target	Before	After	p-value
Chest compression	Average speed (n/min)	100-120	116.2 ± 10.4	112.9 ± 4.9	0.006
	Compression with adequate speed rate (%)	100	46.4 ± 31.5	83.5 ± 18.5	<0.001
	Average depth (mm)	50-60	60.6 ± 11.5	56.2 ± 11.7	0.019
	Compression with adequate depth rate (%)	100	91.1 ± 19.1	98.9 ± 4.2	<0.001
	Compressions fully released (%)	100	93.5 ± 18.5	96.8 ± 9.6	0.065
	Flow fraction (%)	60-100	50.5 ± 11.4	66.3 ± 5.3	<0.001
	Number of compressions in 2 cycles	60	61.0 ± 9.5	61.1 ± 5.8	0.908
	Chest compression total score	100	78.0 ± 22.9	96.4 ± 6.3	<0.001
Ventilation	Adequate ventilation (%)	100	30.9 ± 42.4	93.6 ± 21.9	<0.001
	Hyperventilation (%)	0	10.9 ± 24.9	6.3 ± 21.9	0.174
	Number of ventilations in 2 cycles	4	1.2 ± 1.7	4.0 ± 0.6	<0.001
	Ventilation total score	100	25.5 ± 35.6	94.7 ± 13.9	<0.001

Values are presented as mean ± SD;

BLS, basic life support.