Demographic, clinical, laboratory assessment and ultrasound data: validation set
| All (n=146) | Active synovitis (n=77) | No active synovitis (n=69) | |
| Age (years) | 57±14 | 59±15 | 54±12 |
| Female sex (%) | 80.1 | 80.5 | 79.7 |
| TJC28 | 1 (0, 4) | 4 (1, 7) | 0 (0, 2) |
| SJC28 | 0 (0, 3) | 3 (0, 6) | 0 (0, 0) |
| PGA | 5 (2, 7) | 5 (3, 8) | 3 (1, 5) |
| EGA | 3 (1, 5) | 5 (2, 6) | 2 (0, 3) |
| CRP (mg/L) | 2.4 (1.0, 7.6) | 5.0 (1.9, 11.0) | 2.0 (1.0, 4.0) |
| ESR (mm/h) | 19 (10, 34) | 19 (10, 43) | 19 (9, 27) |
| DAS28-CRP | 3.1±1.4 | 3.8±1.4 | 2.3±0.8 |
| CDAI | 12.7±10.6 | 18.0±11.3 | 6.8±5.3 |
| SDAI | 13.4±11.1 | 19.0±1.9 | 7.2±5.3 |
| DAS28-CRP Rem | 60 (41.1%) | 15 (19.5 %) | 45 (65.2 %) |
| CDAI Rem | 29 (19.9 %) | 9 (11.7 %) | 20 (29.0 %) |
| SDAI Rem | 30 (20.5 %) | 9 (11.7 %) | 21 (30.4 %) |
| Boolean Rem | 24 (16.4 %) | 9 (11.7 %) | 15 (21.7 %) |
| GS sum score | 3 (0, 8) | 7 (5, 11) | 0 (0, 1) |
| PD sum score | 1 (0, 4) | 3 (2, 5) | 0 (0, 0) |
Distributions are presented as mean±SD or median (IQR).
CDAI, Clinical Disease Activity Index; CRP, C-reactive protein; DAS28, 28-joint Disease Activity Score; EGA, Evaluator Global Assessment; ESR, erythrocyte sedimentation rate; GS, grey-scale synovial hypertrophy; PD, power Doppler; PGA, Patient Global Assessment; SDAI, Simplified Disease Activity Index; SJC, swollen joint count; TJC, tender joint count.