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Bland-Altman analysis of genotype-specific mean differences in HCV RNA quantification by CAP/CTM versus that the bDNA assay. Due to the relatively low number of samples harboring genotypes 4 and 5, Bland-Altman analysis was performed only for genotypes 1 (A), 2 (B), and 3 (C). The bold lines represent the mean differences for the samples, the thin lines represent the 95% limits of agreement, and the dashed lines are the reference lines.
