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. 2020 Dec 3;10(1):110–123. doi: 10.1530/EC-20-0417

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Concordance between the CgA Assays (NEOLISA and Demeditec diagnostics). (A) In the entire cohort (n = 258), NEOLISA assay CgA levels were significantly (P < 0.0001) higher (98.6 ± 11 ng/mL) than the DD-assay (76 ± 8 ng/mL). (B) The assays exhibited a concordance of r = 0.84 (Pearson, P < 0.0001). (C) There were 12% (n = 32) discordant results with the NEOLISA assay detecting more CgA-positive samples. The majority of the discordant results comprised IPD.