Fig. 2

Measurements of IgG4 in urine (A) and IgG4 in serum (B) in individuals with parasitologically confirmed strongyloidiasis only (n = 60) and those with mixed infections of Strongyloides stercoralis stercoralis and other parasitic infections (n = 33). There was no significant difference in antibody levels between these groups for IgG4 in both serum and urine. The dotted line indicates the cutoff value of each diagnostic method