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Figure 3 | BMC Infectious Diseases

Figure 3

From: Glutathione S-transferase L1 multiplex serology as a measure of cumulative infection with human papillomavirus

Figure 3

Antibody levels as measured by GST-L1 vs. VLP-ELISA among HPV-unvaccinated women. Legend: Antibody levels are displayed on a logarithmic scale for HPV16 (Panel A) and HPV18 (Panel B). Dashed lines represent laboratory suggested seropositivity cutoffs, and dotted lines represent alternate GST-L1 cutoffs calculated to maximize agreement with VLP-ELISA (see Statistical Methods). K refers to the kappa statistic, calculated separately at the laboratory (lab.) and alternate (alt.) cutoffs. Points that appear to form a line reflect assay limits of detection. Percentages displayed are sampling-adjusted and are based on laboratory cutoffs.

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BMC Infectious Diseases

ISSN: 1471-2334

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