ID.1
Item
written informed consent/assent as appropriate
boolean
ID.2
Item
at least 6 months to <18 years of age
boolean
ID.3
Item
hepatitis b surface antigen (hbsag) positive
boolean
ID.4
Item
hepatic decompensation
boolean
ID.5
Item
hepatocellular carcinoma (hcc)
boolean
ID.6
Item
liver transplantation
boolean
ID.7
Item
current hepatitis b antiviral treatment (except pregnant females)
boolean
ID.8
Item
known coinfection with hiv (patients with hepatitis d or hepatitis c coinfection are not excluded)
boolean
ID.9
Item
medical or social condition which in the opinion of the principal investigator would interfere with or prevent regular follow up.
boolean
ID.10
Item
unable or unwilling to return for regular follow-up
boolean