AKI	Acute Kidney Injury
CCI	Charlson Comorbidity Index
CDARS	Clinical Data Analysis and Reporting System
CKD	Chronic Kidney Disease
COPD	Chronic Obstructive Pulmonary Disease
DM	Diabetes Mellitus
eGFR	Estimated Glomerular Filtration Rate
ESKD	End-Stage Kidney Disease
HA	Hospital Authority
HIV	Human Immunodeficiency Virus
IQR	Inter-Quartile Range
IRB	Institutional Review Board
RIFLE	Risk, Injury, Failure, Loss of kidney function, and End-stage kidney disease
S.D.	Standard Deviation