Acronym	Description
ADD	Adverse Discharge Disposition
ANN	Artificial Neural Networks
AUC	Area Under the ROC Curve
BDT	Boosted Decision Tree
BMI	Body Mass Index
DP	Discharge Planning
DT	Decision Tree
EHR	Electronic Health Records
FIM	Functional Independence Measure
GBDT	Gradient Boosting Decision Trees
HGB	Histogram-based Gradient Boosting
ICU	Intensive Care Unit
KNN	K-nearest Neighbor
LOS	Length of Stay
LR	Logistic Regression
ML	Machine Learning
MLR	Multinomial Logistic Regression
mSBT	Modified STarT Back Tool
MTL	Multi-Task Learning
NB	Naive Bayesian
NN	Neural Networks
RAPT	Risk Assessment and Predictive Tool
RF	Random Forest
ROC	Receiver Operating Characteristic
RT	Random Trees
SVM	Support Vector Machine
TJA	Total Joint Arthroplasty
THA	Total Hip Arthroplasty
TKA	Total Knee Arthroplasty
XGB	Extreme Gradient Boosting