TABLE 1.

CMV IgM results as determined by BIFA and EIA for 369 consecutive CMV IgG-positive serum samples submitted for CMV IgG avidity testing^a

BIFA results	EIA results			Total
	Positive	Equivocal	Negative
Positive	35	11	46	92
Equivocal	0	0	13	13
Negative	2	0	262	264
Total	37	11	321	369

^aResults represent the number of serum samples exhibiting the indicated BIFA and EIA result set.