Table 3

Serologic EBV IgA and methylation marker

EBV IgA+ Methylation+EBV IgA+ Methylation−EBV IgA− Methylation+EBV IgA− Methylation−Total
NPCa25 (89%)12 (52%)4 (80%)0 (0%)41
Normal3 (11%)11 (48%)1 (20%)28 (100%)43
Total282352884
  • a NPC, nasopharyngeal carcinoma.