Table 1.

Clinical variables considered in building predictive models for hospital-acquired AKI

Feature Category	# of Variables	Details
Demographics	3	Age, gender, race
Vitals	5	BMI, diastolic BP, systolic BP, pulse, temperature
Lab tests	14	Albumin, ALT, AST, Ammonia, Blood Bilirubin, BUN, Ca, CK-MB, CK, Glucose, Lipase, Platelets, Troponin, WBC
Comorbidities	29	UHC comorbidity
Admission diagnosis	315	UHC APR-DRG
Medications	1682	All medications are mapped to RxNorm ingredient