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Ratio of hepatitis B surface antigen and hepatitis B virus DNA in each phase of chronic hepatitis B. Median values with 95% confidence interval (of median) are shown. IT: Immune-tolerant; IC: Immune-clearance; ENH: Hepatitis B e antigen negative hepatitis; LR: Low-replicative; LC: Liver cirrhosis; HBsAg: Hepatitis B surface antigen; HBV: Hepatitis B virus.
