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Figure 2: BlandAltman plot depicting the correlation of artus hepatitis B virus (HBV) RG polymerase chain reaction (PCR) assay with the “inhouse” HBV PCR assay (n = 30). The graph displays a scatter diagram of the differences plotted against the averages of the two measurements. Horizontal lines are drawn at the mean difference (bold line) and at the mean difference plus and minus 1.96 times the standard deviation of the differences 
