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Table 3 Comparison of the HBpreSAg test versus HBV DNA copies in serum specimens, with reconciliation by HBeAg results.

From: Serum levels of preS antigen (HBpreSAg) in chronic hepatitis B virus infected patients

  HBV+ (DNA+ reconciled by HBeAg+) HBV- (DNA- reconciled by HBeAg-)   Sensitivity(%) Specificity(%) PPV(%) NPV (%) Overall (%)
HBpreSAg+ 52 30   81 65 63 82 72
HBpreSAg- 12 55 CI,95% 72-89 58-70    
n=149