RA	Rheumatoid arthritis
US	Ultrasound
MRI	Magnetic resonance imaging
AI	Artificial intelligence
DL	Deep learning
CNN	Convolutional neural network
EMR	Electronic medical record
DLC	DeepLabCut algorithm
CMC	Carpometacarpal
MCP	Metacarpophalangeal
PIP	Proximal interphalangeal
DIP	Distal interphalangeal
RMSE	Root mean squared error
PPV	Positive predictive value
NPV	Negative predictive value
ROC	Receiver operating characteristic
PR	Precision–recall
AUC	Area under the curve