Brief Article
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Oct 21, 2009; 15(39): 4932-4937
Published online Oct 21, 2009. doi: 10.3748/wjg.15.4932
Figure 1
Figure 1 Overall seropositivity of anti-HAV antibodies by age group (n = 818). n: Total number of subjects with results. Percentage of seropositivity (anti-HAV antibodies) with 95% CI was calculated. The assay cut-off was sample optical density of 1.00.