Fig. 2From: Construction and validation of prognostic signature for hepatocellular carcinoma basing on hepatitis B virus related specific genesThe cluster analysis results of the HCC samples. A Elbow diagram indicated that the optimal number of clusters was k = 4. B The cluster dendrogram of HCC samples. Different colors represent different clusters. C Kaplan Meier survival curve. The P value was calculated based on log-rank test. D The distribution of HBV-positive HCC patients in various clustersBack to article page