ALT	Alanine aminotransferase
AOR	Adjusted odds ratio
AST	Aspartate aminotransferase
AUC	Area under the curve
CCI	Charlson Comorbidity Index
CI	Confidence interval
CKD	Chronic kidney disease
CRP	C-reactive protein
ED	Emergency Department
ESR	Erythrocyte sedimentation rate
FBG	Fasting blood glucose
AF	Atrial fibrillation
ICU	Intensive Care Unit
IL-6	Interleukin-6
IQR	Interquartile range
LASSO	Least Absolute Shrinkage and Selection Operator
MEWS	Modified Early Warning Score
NEWS2	National Early Warning Score 2
NPV	Negative Predictive Value
OR	Odds ratio
PCT	Procalcitonin
ROC	Receiver Operating Characteristic
SOFA	Sequential Organ Failure Assessment