Effect of the PIVO Device on the Procedure of Phlebotomy from Peripheral IV Catheters

Table 5

Bland-Altman limits of agreement analysis.

Sodium Comparison
Test	Ref.	Test		Control		Difference; (Test - Control)			B-A Limits of Agreement		Equivalent 4 mmol/L Allowable Error
		Mean	SD	Mean	SD	Mean	SD	-value	LB	UB
A2	Control	139.75	2.03	139.75	2.37	0.00	1.54	1.000	−3.02	3.02	Equivalent
B2	Control	139.46	2.15	139.75	2.37	−0.29	1.61	0.355	−3.44	2.86	Equivalent
C2	Control	139.61	1.93	139.75	2.37	−0.14	1.51	0.620	−3.10	2.81	Equivalent
D2	Control	139.74	2.35	139.82	2.39	−0.07	1.75	0.828	−3.51	3.36	Equivalent
Creatinine Comparison
Test	Ref.	Test		Control		Difference; (Test - Control)			B-A Limits of Agreement		Equivalent 5% Allowable Error
		Mean	SD	Mean	SD	Mean	SD	-value	LB	UB
A2	Control	0.82	0.15	0.81	0.15	0.01	0.07	0.602	−0.13	0.15	Equivalent
B2	Control	0.81	0.17	0.81	0.15	0.00	0.08	1.000	−0.15	0.15	Equivalent
C2	Control	0.81	0.15	0.81	0.15	0.00	0.06	1.000	−0.12	0.12	Equivalent
D2	Control	0.80	0.16	0.82	0.15	−0.02	0.08	0.161	−0.18	0.13	Equivalent