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. 2023 May 29;228(7):957–965. doi: 10.1093/infdis/jiad153

Figure 3.

Figure 3.

Serological responses to Streptococcus pyogenes colonization measured by Luminex 4-plex. A, Comparison of IgG activity to GAC, SLO, SpyCEP, and SpyAD in participants (n = 99) according to anytime S. pyogenes colonization status. B, Pairwise correlation coefficients (Spearman method) of IgG titer measured by Luminex within individual participants (n = 99). C, Paired comparison of IgG activity to GAC, SLO, SpyCEP, and SpyAD between days 0 and 21 in newly colonized participants (n = 18). Log10 transformed IVIG-adjusted anti-antigen activity was compared with t tests (unpaired and paired, accordingly). Horizontal bar depicts the median value. Abbreviations: IgG, immunoglobulin G; IVIG, intravenous immunoglobulin.