TABLE 1.

Diagnostic performance of ELISA using CYT and MA antigens from alpha-proteobacteria for the diagnosis of human and animal brucellosis

Antigen		Valuea for the following serum samples:
		Canine			Human			Bovine			Ovine
Bacterium	Fraction	Cutoff	Se	Sp	Cutoff	Se	Sp	Cutoff	Se	Sp	Cutoff	Se	Sp
O. anthropi	CYT	0.560	84	91	1.820	0	100	1.040	6.8	97.2	0.860	63.6	95
	MA	1.080	80	94	2.280	0	100	2.300	0	100	1.230	9.52	96
A. tumefaciens	CYT	0.670	58	96	2.550	0	100	1.390	55	100	1.820	9	95
	MA	1.130	50	99	0.420	41	100	1.140	0	1	1.280		100
S. meliloti	CYT	0.400	88	96	1.500	0	100	1.010	1.7	100	1.260	4.8	95
	MA	0.280	95	100	2.220	0	100	1.570	0	97	1.100	4.8	100

^aSe, sensitivity; Sp, specificity. Both sensitivity and specificity are expressed as percentages.