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Table 2 Assessment of usefulness of Gal-GalNAc as tumour marker by PNA/ELLA

From: Expression of peanut agglutinin-binding mucin-type glycoprotein in human esophageal squamous cell carcinoma as a marker

  PNA/ELLA Upper limit of normal (O.D) = 0.159 (A450)
  WDESCC MDESCC PDESCC All patients
Sensitivity (%) 88.9 86.0 87.5 87.5
Specificity (%) 90.0 90.0 90.0 90.0
Positive predictive value (%) 76.2 89.6 84.9 94.6
Negative predictive value (%) 95.8 86.6 91.8 77.6