Figure 1.
Hepatitis B vaccination at STD clinics: decision and Markov models
aBox with solid borders represents an annual health state, arrows indicate allowed transitions; death from each state not shown separately. Box with dashed borders represents health state only allowed in the first year of the model.
bDecompensated cirrhosis includes ascites, variceal hemorrhage, and encephalopathy.
STD = sexually transmitted disease
HBV = hepatitis B virus