| Low RAID≤3 | Moderate RAID>3–6 | High RAID>6 | P | |
|---|---|---|---|---|
| n=65 | n=109 | n=55 | ||
| DAS2,4 | 2.71 (0.96) | 3.53 (0.89) | 4.27 (1.08) | <0.001 |
| 44-SJC1 | 7 [3–13] | 9 [5–13] | 12 [7–18] | 0.003 |
| ESR (mm/h)1 | 14 [9–26] | 21 [12–30] | 29 [15–45] | <0.001 |
| CRP (mg/L)1 | 4 [2–7] | 8 [4–18] | 12 [6–28] | <0.001 |
| Ritchie tender joint score1 | 4 [2–7] | 8 [4–13] | 12 [6–17] | <0.001 |
| Patient global VAS (mm)2 | 27.9 (16.4) | 48.4 (17.3) | 77.2 (15.1) | <0.001 |
| Physician global VAS (mm)2 | 29.6 (16.5) | 41.6 (20.0) | 51.4 (20.3) | <0.001 |
| GSUS score1,3 | 14 [9–23] | 17 [10–28] | 23 [16–30] | 0.008 |
| PDUS score1,3 | 6 [2–13] | 6 [3–13] | 9 [4–14] | 0.11 |
| Total US score1,3 | 20 [12–36] | 24.5 [15–38] | 33 [21–45] | 0.015 |
| EQ-5D (UK)1 | 0.76 [0.69–0.80] | 0.66 [0.52–0.69] | 0.06 [−0.2–0.18] | <0.001 |
| SF-36 physical2 | 43.3 (8.5) | 33.9 (7.9) | 23.8 (7.9) | <0.001 |
| SF-36 mental2 | 52.9 (9.3) | 48.2 (10.9) | 42.1 (10.3) | <0.001 |
1Median [25–75 percentiles]. 2Mean (SD). 3US examinations were performed using a validated gray-scale (GS) and power-Doppler (PD) semi-quantitative scoring system with ranges 0-3 in 32 joints. 4Original DAS-ESR based on 44-SJC and Ritchie articular index.