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Table 4 Receiver operating characteristic (ROC) curve of the diagnostic power of serum SAA level for ovarian cancer

From: Serum amyloid a, a potential biomarker both in serum and tissue, correlates with ovarian cancer progression

  cut-off AUC YOUDEN Sensitivity Specificity 95% CI
       Lower Upper
SAA (mg/L) 17.05 0.889 0.649 0.784 0.865 0.861 0.961
CA125(U/L) 245.30 0.868 0.730 0.811 0.919 0.778 0.951
HE4(pmol/L) 98.01 0.917 0.703 0.865 0.838 0.857 0.977
Combined 0.945 0.838 0.892 0.973 0.891 0.999