TABLE 2.

Intra-assay and total assay precision results of each CLIA

Reagent and sample	Grand mean (s/co)	SDa (%CV)b
		Intra-assay	Total
Elecsys
NCc	0.134	0.011 (7.8)	0.014 (10.2)
PCd	9.58	0.451 (4.7)	0.543 (5.7)
Architect
NC	0.074	0.007 (9.1)	0.006 (8.3)
PC	3.21	0.115 (3.6)	0.129 (4.0)
Vitros
NC	0.232	0.015 (6.5)	0.023 (9.9)
PC	5.53	0.173 (3.1)	0.191 (3.5)
Access
NC	0.097	0.005 (5.5)	0.007 (7.2)
PC	3.06	0.084 (2.8)	0.138 (4.5)

^aSD, standard deviation of s/co ratio.

^bCV, coefficient of variation of s/co ratio.

^cNC, negative control material.

^dPC, positive control material.