Hemolytic Uremic Syndrome in Pediatric Intensive Care Units in São Paulo, Brazil

Table 2.: Investigation of Antibodies against LPS O26, O111 and 0157 in 1:500 Diluted Sera of the Control Children by ELISA

Control children (n=63)	Antibody LPS O26 ^a		Antibody LPS O111 ^a		Antibody LPS O157 ^a
Control children (n=63)	IgM	IgG	IgM	IgG	IgM	IgG
Mean (M)	0.057	0.086	0.104	0.279	0.068	0.079
Standard Deviation (SD)	0.087	0.085	0.102	0.272	0.084	0.102
Cutoff value (Cv=M+3xSD)	0.318	0.341	0.410	1.095	0.320	0.385

^a Values are expressed as absorbance at 492 nm and were calculated using the GraphPad Prism 4.0 program.