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Table 4 Sensitivity, Specificity, Positive Predictive Value, and Negative Predictive Value of Combined Expression of CK20 and MUC1 According to the Histological Type

From: Cytokeratin 20 (CK20) and apomucin 1 (MUC1) expression in ampullary carcinoma: Correlation with tumor progression and prognosis

Histological type

Maker

Sensitivity

Specificity

PPV

NPV

Intestinal type

     
 

CK20+MUC1

0.625

0.963

0.909

0.813

Pancreatobiliary type

     
 

CK20+MUC1

0.722

0.920

0.867

0.821

Unusual type

     
 

CK20+MUC1

0.666

0.676

0.353

0.885

  1. PPV, positive predictive value; NPV, negative predictive value