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Time-dependent ROC curves of ΔAPRI for small HCC survival after the start of follow-up. A, 1-year: the AUC was 0.37, cut-off point was 0.08. B, 2-year: the AUC was 0.55, cut-off point was 0.02. C, 3-year: the AUC was 0.53, cut-off point was 0.02. D, 4-year: the AUC was 0.57, cut-off point was 0.02. E, 5-year: the AUC was 0.61, cut-off point was 0.02. APRI = aspartate aminotransferase to platelet ratio index, HCC = hepatocellular carcinoma, ROC = receiver-operating characteristic.
