TABLE 1.

Analysis of anti-EBV antibody values for 135 NPC patients and 130 healthy controls

Anti-EBV antibody	FI (mean ± SEM) for xMAP assay		OD (mean ± SEM) for ELISA
	NPC patients	Healthy controls	NPC patients	Healthy controls
IgA-VCA	2,193 ± 232	657 ± 77	0.991 ± 0.064	0.145 ± 0.012
IgA-EBNA1	9,380 ± 389	4,674 ± 356	0.380 ± 0.020	0.125 ± 0.016
IgA-EA-D	2,931 ± 317	426 ± 64	1.111 ± 0.070	0.161 ± 0.014
IgG-EA-D	7,948 ± 545	784 ± 170	1.201 ± 0.080	0.211 ± 0.012