ACAG

Participants met the inclusion criteria (n=1117)

MIss data on ACAG (n=547)

Avaliable for analysis (n=570)

Participants with complete data on UTI、Sepsis and ACAG (n=570)

Patients diagnosed with UTI at their first ICU admission from the MIMIC-IV (n=4903)

Excluded：(1) First admission age <18 years (n=0)(2) Patients with a length of ICU stay less than 24 h (n=718)(3) Patients who had been diagnosed with sepsis before ICU admission(n=3068)