Effective Method Using a Stool in Cardiopulmonary Resuscitation (CPR) on Dialysis Chair

Table 2

The displacements without and with a stool for Model 2.

Model 2	Free		Fix		value	Decrease rate (%)
	Mean	SD	Mean	SD
Executor 1	16.9	1.5	4.6	1.4	<0.01	73.0
Executor 2	18.3	3.1	7.0	0	<0.01	61.7
Executor 3	18.3	5.7	8.5	0.5	<0.01	53.4
Executor 4	21.5	8.2	10.1	0.3	<0.01	53.2

Free: without a stool; fix: with a stool.