Table 2.

Sensitivity and specificity for anti-EBV IgA antibodies, applied to high-risk multiplex family members from Taiwan

IgA markerSensitivity for incident NPCaSpecificity in high-risk controls
Viral capsid antigen (VCAp18)52.446.4
Epstein–Barr nuclear antigen (EBNA1)66.785.7
Early antigen (Ead_p47)0.092.9
Early antigen (EAp138)0.095.2
Combined VCAp18 + EBNA1 ELISA85.735.7
  • aThe percentages are based on a threshold value for determining a positive result of ≥1.0.