Fig. 3

Forest plot showing the HBV prevalence by country, publication period, sampling technique and HBsAg detection method; the blue diamond indicates the pooled prevalence of HBV and the horizontal line shows the 95% confidence interval. The longer the lines, the greater is the deviation from the pooled prevalence; ELISA: Enzyme Linked Immunosorbent Assay, RDT: Rapid Diagnostic Test, EIA: Enzyme Immunoassay