Fig. 3

ROC curve analysis of autoantibodies against PRDX2 and PRDX3 for NPC diagnosis. a ROC curve for serum autoantibodies against PRDX2 and PRDX3 and their combination for patients with NPC versus normal controls. b ROC curve for serum autoantibodies against PRDX2 and PRDX3 and their combination for patients with early NPC versus normal controls. ROC receiver operating characteristic