Figure 4. Prognostic analysis of HPSM and nomogram development. (A) Univariate and multivariate Cox regression analyses of HPSM risk score as well as prognostic parameters. (B) ROC curves of HPSM risk score and prognostic parameters. (C) Prognostic nomogram predicting 1-, 2-, and 3-year OS of HCC individuals. (D) ROC curves of the prognostic nomogram.