Patients and Setting
A total of 500 patients aged over 70 years who underwent CABG for only
the first time from 2018 to 2019 were included in this study. Among
them, 68 patients lacked clinical data, and a total of 432 patients were
finally included. According to the KDIGO diagnostic criteria of AKI18, patients were divided into an AKI group and a
non-AKI group. There were 119 patients in the AKI group and 313 patients
in the non-AKI group.