Fig. 4

Verification of the constructed CDI model. (A) KM survival curves for high- and low-risk CDI groups and ROC curves for 1, 3, and 5 years in the validation datasets (GSE84433 and GSE62254). Univariate and multivariate Cox regression analysis of the risk score of CDI and other clinical characteristics in GSE84433 (B) and GSE62254 (C).