Table 1.

Detailed overview of 22 infants with congenital toxoplasmosis and negative Liaison IgG result

Infant IDa	Age (mo) at negative Liaison IgG result(s)	Assay result(s)				Comment on Liaison results
		Liaison IgG (IU/ml)	Liaison IgM (AU/ml)	DT	ISAGA-IgM (index)
1	6	4.5	<3.0	1,024	0	IgG positive at 1, 4, 5 mo
2	12	3.8	<3.0	4	0	IgG positive at 6 and 57 mo
3	13	<3.0	<3.0	4	0	IgG positive at 3, 6, 19 mo
4	11, 13	3.0, 2.0	<3.0	4	0	IgG positive at 1, 4 mo and 29, 56, 66, 92, 102, 117, 131 mo
5	12	6.8	<3.0	64	2	IgG positive at 8 mo and 25, 48 mo
6	175	6.1	<3.0	64	0	IgG positive at 1, 5, 11 mo
7	9	<3.0	<3.0	4	0	IgG positive at 20, 37 mo
8	9, 12, 13	7.1, 2.0, <3.0	6.1, <3.0, <3.0	16, 4, 4	0	IgG positive at 0, 3, and 37 mo
9	15	5.2	<3.0	64	0	IgG positive at 1, 3, 4, 7, 9 and 26 mo; equivocal (IgG, 8.5) at 12 mo
10	9	6.0	<3.0	64	0	IgG positive at 49, 60, 73 mo
11	12	<3.0	<3.0	4	0	IgG positive at 0 and 33 mo
12	11	2.0	3.0	4	0	IgG positive at 5 and 15 (also IgM positive), 28, 43 mo
13	14	3.5	3.8	64	1	IgG positive at 19, 33, 66, 80 mo
14	11	4.0	<3.0	16	0	IgG positive at 0, 3 mo
15	7, 10, 14	<3.0, <3.0, 3.2	<3.0, <3.0, 5.4	16, 16, 64	0	IgG positive at 0, 4 mo and 27, 37, 57 mo
16	9	6.4	<3.0	256	0	IgG positive at 5, 6 and 13 (also IgM positive), 15 mo
17	10	5.6	<3.0	16	0	IgG positive at 3, 6 and 15, 24 mo
18	7	2.0	<3.0	16	0	IgG positive at 3 and 34, 62, 77, 96 mo
19	12	2.0	<3.0	4	0	IgG positive at 0, 3, 7 and 16 (also IgM positive) mo
20	41, 55, 65	3.4, <3.0, <3.0	<3.0	64, 16, 16	0	IgG positive at 3, 6, 9, 14, 28 and 102, 128 mo
21	30	<3.0	<3.0	16	0	IgG positive at 8 mo; equivocal (IgG, 8.1) at 15 mo
22	8, 12	5.9, <3.0	<3.0	256, 16	0	IgG positive at 3, 6 mo

^aIdentification no.