Table 4.

Evaluation of the concordance between diagnosis by laboratory and the algorithm created with respect to the ratio of PANBIO Units of IgG.

Lab test
Baseline (first follow-up)		Second follow-up		Samples with IgG2/IgG1 > 1	Mediana (units PANBIO)	Range (units PANBIO)		Diagnostic infection by seroconversion	% of agreementa
IgM	IgG	IgM	IgG	IgG2/IgG1
Negative	Negative	Positive	Negative	N.A.b	N.A.b	N.A.b	N.A.b	12	N.A.b
Negative	Negative	Positive	Positive	5	22.08	9.24	37.22	5	100
Negative	Negative	Negative	Positive	20	7.30	1.04	57.28	20	100

^aThe percentage of agreement was made between the diagnosis by laboratory and the algorithm created with respect to the ratio of PANBIO units.

^bN.A. not apply.