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The outcome of patients from week 0 to 48 in PEG-IFN switch-to and add-on groups.
Notes: High HBsAg clearance was achieved in the patients with HBsAg <1,000 IU/mL at week 0 and reduction >0.2 log IU/mL at week 24. HBsAg reduction 0.2 log IU/mL was calculated by the following formula: HBsAg value at week 24/HBsAg value at week 0, which was about 60%.
Abbreviations: ETV, entecavir; HBsAg, hepatitis B surface antigen; PEG-IFN, pegylated interferon.
