Table 1.

How Doppler ultrasound images with OESS scores were divided into a training, validation and test set

Binary scores	Healthy		Diseased		Total
OESS scores	0	1	2	3
Training set	654	337	219	132	1342
Validation set	44	44	44	44	176
Test set	44	44	44	44	176
Total	742	425	307	220	1694
	1167		527

OESS, Outcome Measures in Rheumatology (OMERACT)-EULAR Synovitis Scoring.