Proportions of patients progressing to inflammatory arthritis (IA) within 12 or 24 months of referral, or at any time during follow-up, according to their risk score at baseline
| Risk score | Proportion progressing (n/N (%)) of patients who progressed to IA: | Risk category: % progressed | ||
|---|---|---|---|---|
| Within 12 months | Within 24 months | At any time | ||
| PD in model | ||||
| 0 | 0/5 (0%) | 0/5 (0%) | 0/5 (0%) | Low: 0% |
| 1 | 1/3 (33%) | 1/3 (33%) | 1/3 (33%) | Mod: 31% |
| 2 | 6/26 (23%) | 8/26 (31%) | 8/26 (31%) | |
| 3 | 10/34 (29%) | 14/34 (41%) | 19/34 (56%) | High: 62% |
| 4 | 11/23 (48%) | 15/23 (65%) | 16/23 (70%) | |
| 5 | 6/9 (67%) | 6/9 (67%) | 6/9 (67%) | |
| SE in model | ||||
| 0 | 0/3 (0%) | 0/3 (0%) | 0/3 (0%) | Low: 0% |
| 1 | 0/11 (0%) | 1/11 (9%) | 2/11 (18%) | Mod: 40% |
| 2 | 10/32 (31%) | 13/32 (41%) | 15/32 (47%) | |
| 3 | 12/33 (36%) | 17/33 (52%) | 20/33 (61%) | High: 63% |
| 4 | 8/13 (62%) | 9/13 (69%) | 9/13 (69%) | |
| PD and SE in model | ||||
| 0 | 0/3 (0%) | 0/3 (0%) | 0/3 (0%) | Low: 0% |
| 1 | 0/8 (0%) | 0/8 (0%) | 0/8 (0%) | |
| 2 | 7/25 (28%) | 9/25 (36%) | 11/25 (44%) | Mod: 50% |
| 3 | 9/31 (29%) | 14/31 (45%) | 17/31 (55%) | |
| 4 | 10/19 (53%) | 13/19 (68%) | 14/19 (74%) | High: 72% |
| 5 | 4/6 (67%) | 4/6 (67%) | 4/6 (67%) | |
| Neither PD or SE in model | ||||
| 0 | 0/5 (0%) | 0/5 (0%) | 0/5 (0%) | Low: 0% |
| 1 | 1/4 (25%) | 1/4 (25%) | 1/4 (25%) | Mod: 40% |
| 2 | 9/36 (25%) | 13/36 (36%) | 15/36 (42%) | |
| 3 | 12/35 (34%) | 17/35 (49%) | 21/35 (60%) | High: 62% |
| 4 | 12/20 (60%) | 13/20 (65%) | 13/20 (65%) | |
PD, power Doppler; SE, shared epitope.