Fig. 6

Prognostic Analysis of the Characteristic Model of DR-DEGs. a PCA plot based on risk score; b t-SNE map based on risk score; c Kaplan–Meier analysis curve of prognosis related to high and low risk groups; d Time-dependent ROC curve, the area under the curve (AUC) at 1 year, 3 years, and 5 years is 0.626, 0.620, 0.623