Serologic and Clinical Outcomes of 1536 Alaska Natives Chronically Infected with Hepatitis B Virus
Figure 4.Survival curves showing years to seroconversion from hepatitis B surface antigen (HBsAg) positivity to HBsAg negativity in carriers, by age at the start of the study.
The center solid line represents participants 20 years of age or older; the center dotted line represent participants younger
than 20 years of age. The lines on either side of the center lines are 95% CIs, which are largely nonoverlapping.