The workflow of our study is depicted in Fig.1. We initiated the process by rigorously preprocessing all data. PCA was applied to assess the data before and after batch effect processing, confirming the efficacy
CDI and survival rate using KM analysis, which also showed that the patients in the high CDI group had a shorter OS in general, and that, for the same OS, the survival rate of patients in the high CDI group was significantly lower than that of the patients in the low CDI group (Fig...