Figure 1From: Automated extraction protocol for quantification of SARS-Coronavirus RNA in serum: an evaluation study Passing-Bablok regression analysis of SARS-CoV RNA concentrations in (A) transport medium and (B) serum extracted by the automated and manual methods. The regression line is indicated by the solid line, with the confidence intervals marked as dashed lines. The identity line (x = y) is indicated as the dotted line. TM: transport medium.Back to article page