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Table 2 ROC analysis comparing ELF-napsin A and ELF-CEA

From: Napsin A levels in epithelial lining fluid as a diagnostic biomarker of primary lung adenocarcinoma

  AUC 95% CI, % Cut off point Sensitivity, % Specificity, % PPV, % NPV, % Positive LR Negative LR
ELF-napsin A 0.840 72.8 to 95.3 3280 ng∙mL−1 79.3 82.9 76.7 85.0 4.64 0.25
ELF-CEA 0.542 40.7 to 67.8 82 ng∙mL−1 75.9 34.1 44.9 66.7 1.15 0.71
  1. ELF Epithelial lining fluid, CEA Carcinoembryonic antigen, AUC Area under the ROC curve, CI Confidence interval, PPV Positive predictive value, NPV Negative predictive value, LR Likehood ratio