TABLE 2.

Coxiella burnetii phase antigens by ELISA and IFA

		IFA IgM phase II (n = 93)			IFA IgG phase II (n = 100)			IFA IgG phase I (n = 100)
		Positive	Negative	Total	Positive	Negative	Total	Positive	Negative	Total
ELISA Assay	Positive	8	8	16	36	0	36	37	1	38
	Negative	15	62	77	42	22	64	7	55	62
	Total	23	70	93	78	22	100	44	56	100