TABLE 1.

Comparison of the median OD₄₅₀ values and semi-interquartile ranges of the OD₄₅₀ values for nonimmune and semi-immune sera with the different fusion proteins obtained by ELISA

Fusion protein	Sera	OD450a		Pb
		Median	Semi-interquartile range
G41a	Total	0.53	0.62
	Nonimmune	0.08	0.15
	Semi-immune	0.59	0.53	<0.01
G17	Total	0.28	0.41
	Nonimmune	0.08	0.16
	Semi-immune	0.33	0.43	<0.01
G22	Total	0.27	0.45
	Nonimmune	0.11	0.14
	Semi-immune	0.38	0.48	<0.01
G15c	Total	0.28	0.44
	Nonimmune	0.05	0.10
	Semi-immune	0.33	0.49	<0.01
G21d	Total	0.28	0.60
	Nonimmune	0.05	0.06
	Semi-immune	0.30	0.59	<0.01
G31a	Total	0.33	0.60
	Nonimmune	0.04	0.10
	Semi-immune	0.38	0.58	<0.01
G8d	Total	0.13	0.23
	Nonimmune	0.01	0.02
	Semi-immune	0.17	0.23	<0.01
G15	Total	0.20	0.29
	Nonimmune	0.18	0.22
	Semi-immune	0.24	0.34	NS
G23a	Total	0.24	0.47
	Nonimmune	0.05	0.16
	Semi-immune	0.35	0.42	<0.01

^aThe OD₄₅₀ values were calculated by using OD₄₅₀ values obtained for each fusion protein above the cutoff values. 

^bThe P values for comparisons of the two patient groups are given; only positive sera were included. NS, not significant.