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. Author manuscript; available in PMC: 2011 Oct 15.
Published in final edited form as: J Infect Dis. 2010 Oct 15;202(8):1212–1218. doi: 10.1086/656364

Figure 1. Comparison of H type 1 and H type 3 blocking assays.

Figure 1

Fifty-two samples representing different time-points were tested using both HBGA H types. (A) H type 1 BT50s are correlated with H type 3 BT50s (r = 0.977, Spearman correlation, p<0.0001). (B) BT50s for each sample are compared for both H types. Blocking antibody levels using the H type 1 assay were higher than those determined using the H type 3 assay, with 2 exceptions (4%) (p<0.0001, Wilcoxon signed-rank test).