Table 2.

Clinical variables extracted for the study cohort.

Feature Category	#of Variables	Details
Demographics (Demo)	3	Age, race, gender;
Vitals (Vitals)	5	BMI, diastolic BP, systolic BP, pulse, temperature;
Lab tests (Lab)	14	Albumin, ALT, AST, Ammonia, Calcium, BUN, Bilirubin, CK-MB, CK, Glucose, Lipase, Platelets, Troponin, WBC;
Admission diagnoses (DRG)	315	University Health System Consortium (UHC) APR-DRG; (e.g. liver transplant, heart &/or lung transplant, etc.)
Medications (MED)	1271	All medications are mapped to RxNorm ingredient; (e.g. lithium carbonate, pentostatin, ospemifene, oxybutynin, etc.)
Medical History (CCS)	280	ICD9 codes mapped to CCS major diagnoses. (e.g. Nervous system congenital anomalies, other congenital anomalies, etc.)