Table 2. Performance of ELISA employing synthetic peptides and canine sera classified according to IFAT reactivity.

Peptides	Low Titer* (n = 20)	Intermediate Titer (n = 20)	High Titer (n = 22)	Uninfected Dogs (n = 14)
	Se (%)	Se (%)	Se (%)	Sp (%)
13	85	75	100	92
17	85	75	100	100
18	70	55	100	92
19	90	85	100	92
47	90	85	100	92
13 and 47	95	85	ND	100
13 and 19	95	95	ND	100
18 and 19	95	90	ND	100
47 and 17	90	80	ND	100
47 and 18	95	95	ND	100

Se: sensitivity, Sp: specificity.

*: canine sera samples were classified according to IFAT reactivity as low (<1∶320 dilutions) and intermediate (>1∶320 <1∶640) titers and high (>1∶640) antibody titers.