Table 2.

Comparison of IgG test results obtained by the Vidas system with results obtained by the Architect and the Liaison systems in the four groups of sera included in the study

System	Result	No. of samples with indicated Vidas result
		Positive	Gray zone	Negative	Total
Architect	Positive	192	9	4	205
	Gray zone	5	3	8	16
	Negative	4	3	459	466
	Total	201	15	471	687
Liaison	Positive	193	8	4	205
	Gray zone	0	1	1	2
	Negative	2	6	464	472
	Total	195	15	469	679