研究单位：[1]Beijing Friendship Hospital[2]First Affiliated Hospital of Kunming Medical University Kunming,Yunnan,China,650032[3]Peking Union Medical College Hospital Beijing,Beijing,China,100032[4]Peking University First Hospital Beijing,Beijing,China,100034[5]Peking University People's Hospital Beijing,Beijing,China,100044[6]Beijing Tiantan Hospital Beijing,Beijing,China,100050[7]Beijing Youan Hospital Beijing,Beijing,China,100069[8]The Second Affiliated Hospital of Chongqing Medical University Chongqing,Chongqing,China,400010[9]The First Affiliated Hospital of Chongqing Medical University Chongqing,Chongqing,China,400016[10]Lanzhou University Second Hospital Lanzhou,Gansu,China,730030
研究目的：
CR-HepB registry started in June 30,2012 to collect HBV cases from general hospitals or specialized hospitals for infectious diseases in mainland China. Demographics, diagnosis, laboratory test results, family history and prescriptions were recorded. The main criteria for registration is HBsAg-positivity more than 6 months, and these patients will receive followed-up visits every three to six months.
