Figure 3From: Hepatitis C virus core antigen, an earlier and stronger predictor on sustained virological response in patients with genotype 1 HCV infection ROC curves of predictive values of HCV RNA at week 4 on sustained virological response (SVR). When the optimal cutoff value was 3.770, the corresponding AUROC was 0.854 (95% CI 0.705-1.000).Back to article page