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Interquartile ranges and medians of anti-PGL-I IgM, IgG, and IgA levels in serum samples from PB (paucibacillary) household contacts (HH, N = 14), PB peridomicilliary contacts (PD, N = 14), and PB leprosy index cases (N = 21). The cutoff values were 1.1 for IgA and 1.2 for IgG and IgM isotypes.
*p < 0.05, Kruskal-Wallis test, anti-PGL-I IgA levels in PB index cases were higher than in PD contacts.
