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Fig. 3 | BMC Infectious Diseases

Fig. 3

From: Hepatitis virus (HCV) diagnosis and access to treatment in a UK cohort

Fig. 3

False positive HCV IgG antibody results according to ethnic origin in a UK cohort. Ethnicity was estimated using Onolytics software [26, 27]. Data shown are for a cohort recruited starting in 2014 (designated Group 1), screened using an in-house HCV-Ab (ADVIA Centaur automated immunoassay; Bayer) and confirmed using two further ELISA tests (Ortho and BioRad). ‘False positives’ are defined as those screening positive on ADVIA but subsequently negative, ‘true positives’ are defined as samples positive on all three tests. P-values obtained by Fishers Exact Test; *** p < 0.0005

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