LPPG-specific total immunoglobulin G (IgG
), IgG1, IgG2, IgG3, and IgG4 antibody titers in subjects infected with
. The sera were from 38 patients with amebic liver abscess (ALA), 44 asymptomatic E. histolytica carriers (AC), and 24 individuals infected with the apathogenic E. dispar. The IgGt, IgG1, IgG2, IgG3, and IgG4 titers of the three study groups are shown. Statistics: Kruskal-Wallis test followed by Mann–Whitney U test, ***p < 0.0001; ns, not significant. ALA, amebic liver abscess; AC, asymptomatic E. histolytica carrier; E. dispar, individuals infected with E. dispar.