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. 2008 Apr 29;6:5. doi: 10.1186/1477-3155-6-5

Figure 3.

Figure 3

Comparison of CRP concentration found for spiked serum samples obtained by the direct sandwich CRP assay carried out using RAP with that of a commercial hsCRP ELISA a) Correlation plot, the x axis represents the values obtained by hsELISA, the y axis those values obtained by RAP b) Bland and Altman difference plot, the x axis represents the average of the RAP and ELISA values. The solid line is the mean value; dotted lines are 2 SD. The mean difference is 2.165 μg/L.