Table 3.

Adults and children infected with S. mansoni, S. japonicum or S. haematobium testing positive for the LDN-DF, LDN, and Lewisx epitope

Group % Positivea
LDN-DF LDNLewisx
IgG IgM IgG IgMIgG IgM
Children
S. haematobium 92 100 17 66 42 100
S. mansoni 50 100 30 20 20 50
S. japonicum 92 58 17 33 0 50
Adults
S. haematobium 100 100 38 63 63 50
S. mansoni 25 83 25 8 8 63
S. japonicum 92 50 25 17 17 8
Control 0 0 0 5 10 5
  • a Cutoff levels were based on the negative controls average and 3 standard deviations.