Table 3.

The total number of CCs with each CPR method and the number of adequate chest compressions with each compression depth and CPR method

	Total number of chest compressions			Adequate number of chest compressions with a depth of more than 5cm			Adequate number of chest compressions with a depth of more than 4 cm
Time (minute)	ST-CPR	CO-CPR	p-value	ST-CPR	CO-CPR	p-value	ST-CPR	CO-CPR	p-value
1	80 ± 9	109 ± 6	0.001	55 ± 33	67 ± 44	0.048	73 ± 20	97 ± 29	<0.001
2	77 ± 7	110 ± 7	0.001	41 ± 35	45 ± 47	0.309	64 ± 23	81 ± 42	0.007
3	77 ± 9	110 ± 6	0.001	39 ± 36	35 ± 45	0.464	62 ± 28	71 ± 46	0.185
4	76 ± 9	110 ± 7	0.001	31 ± 32	27 ± 43	0.428	57 ± 29	65 ± 48	0.161
5	76 ± 9	110 ± 7	0.001	32 ± 34	25 ± 41	0.128	56 ± 29	60 ± 49	0.509
6	75 ± 9	111 ± 8	0.001	31 ± 35	20 ± 39	0.042	52 ± 33	51 ± 50	0.963
7	75 ± 9	111 ± 8	0.001	27 ± 32	17 ± 36	0.040	51 ± 33	45 ± 50	0.342
8	76 ± 10	111 ± 9	0.001	29 ± 34	17 ± 36	0.024	50 ± 32	41 ± 49	0.236