FIGURE 4. Comparison of disease-free survivals between patients with hepatitis-B-related hepatocellular carcinoma (HCC), and hepatitis-C-related HCC using Child's classification. Top, Child's A. Open circles, hepatitis-B-related HCC patients (n = 57). Closed circles, hepatitis-C-related HCC patients (n = 261). Log-rank test: P = 0.001. Bottom, Child's B + C; Open circles, hepatitis-B-related HCC patients (n = 9). Closed circles, hepatitis-C-related HCC patients (n = 90). Log-rank test: P = 0.06.