Prediction score distribution according to disease outcome
| Prediction score | No progression to RA (n = 25) | Progression to RA (n = 80) |
| 0 | 0 (0) | 0 (0) |
| 1 | 2 (100) | 0 (0) |
| 2 | 2 (100) | 0 (0) |
| 3 | 3 (100) | 0 (0) |
| 4 | 4 (57) | 3 (43) |
| 5 | 7 (64) | 4 (36) |
| 6 | 2 (11) | 17 (89) |
| 7 | 4 (16) | 21 (84) |
| 8 | 0 (0) | 14 (100) |
| 9 | 1 (8) | 11 (92) |
| 10 | 0 (0) | 9 (100) |
| 11 | 0 (0) | 1 (100) |
| 12 | 0 (0) | 0 (0) |
| 13 | 0 (0) | 0 (0) |
| Median score (IQR) | 5.0 (3.8–6.7) | 8.0 (6.9–9.1) |
Values are the number (%) of patients with a given score.
IQR, interquartile range; RA, rheumatoid arthritis.