CD79A and nasopharyngeal carcinoma: The AUC values of P85-Ab, VCA-IgA, EA-IgA and Rta-IgG for predicting the risk of NPC were 0.949 (95% CI, 0.925-0.967), 0.905 (95% CI, 0.876-0.930), 0.832 (95% CI, 0.796-0.865) and 0.804 (95% CI, 0.766-0.839), respectively (Figure 3).