Figure 5. Nomogram construction for predicting the prognosis of MM patients. (A) Differences in clinicopathological characteristics between risk subgroups in the MMRF-COMPASS training set. (B) Risk score combines clinical features to create column-line plots. (C) Calibration curves were used to validate the established column line plots. (D) Decision curve analysis of column-line plots. Ns represents p > 0.05, and ****p < 0.0001.