Study population
ESRD
END-STAGE RENAL DISEASE, DISEASES, KIDNEY DISEASE, ESRD
Patients meeting criteria for Kidney Disease: Improving Global Outcomes (KDIGO) serum creatinine (sCr) definition were enrolled for this study [The exclusion criteria included: (i) patients with a diagnosis of end-stage renal disease (ESRD) based on International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) code 585; (ii) patients already with RRT at ICU admission; (iii) age < 18 or individual missing data > 10%.