Table 1.

The palm’s maximum pressure, caudal pressure, cranial pressure and caudal-cranial pressure gradient in Two-handed and one-handed child ECC (kg/cm²)

Pressure	Two-handed	One-handed	Mean difference (95% CI of difference)	P value
	Mean ± SD	Mean ± SD
Max. Pressure (kg/cm2)	2.04 ± 0.50	2.18 ± 0.56	−0.14(− 0.37 ~ 0.09)	0.227
Caudal Pressure (kg/cm2)	1.78 ± 0.64	2.13 ± 0.56	− 0.35(− 0.59 ~ − 0.11)	0.006*
Cranial Pressure (kg/cm2)	1.56 ± 0.65	1.23 ± 0.77	0.33(0.33 ~ 0.64)	0.031*
C-C Pressure Difference (kg/cm2)	0.65 ± 0.58	0.96 ± 0.75	−0.30(− 0.64 ~ 0.04)	0.083

* p < 0.05, significant difference

ECC External chest compression, C-C Caudal-cranial