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.