Journal of Immunology Research / 2015 / Article / Fig 4

Research Article

Clinical Comparison of QUANTA Flash dsDNA Chemiluminescent Immunoassay with Four Current Assays for the Detection of Anti-dsDNA Autoantibodies

Figure 4

Receiver operating characteristics (ROC) analysis of QUANTA Flash dsDNA compared to CLIFT positive () and negative () samples. Different cut-offs are shown to demonstrate the optimal agreements. Note: equivocal range determined by the manufacturer is along the 80.0% positive agreement (green highlight). PPA: positive percent agreement; TPA: total percent agreement.