| Included in index* | T1 | T2 | Change | Spearman r | ICC* | SDD | MDC% | |
| TJC28 | D S C | 3.2 (4.7) | 3.6 (3.7) | 0.4 (2.5) | 0.76 | 0.83 | 4.8 | 17.1% |
| SJC28 | D S C | 1.6 (2.4) | 2.5 (2.9) | 0.9 (0.9) | 0.74 | 0.78 | 3.5 | 12.5% |
| PhysGlob | S C | 11.7 (9.6) | 13.1 (8.2) | 1.4 (5.8) | 0.69 | 0.79 | 11.3 | 11.3% |
| PatGlob | D S C R | 30.1 (22.3) | 25.7 (18.0) | 4.4 (13.3) | 0.80 | 0.78 | 26.2 | 26.2% |
| Function | R | 1.50 (0.43) | 1.46 (0.39) | 0.04 (0.11) | 0.98 | 0.96 | 0.22 | 7.3% |
| Pain | R | 29.5 (23.7) | 25.8 (22.0) | 3.7 (11.4) | 0.83 | 0.88 | 22.3 | 22.3% |
| ESR | D | 15.6 (12.9) | 15.5 (13.3) | 0.1 (4.2) | 0.84 | 0.95 | 8.0 | 8.0% |
| CRP | S | 9.1 (14.4) | 8.9 (14.4) | 0.2 (3.4) | 0.71 | 0.97 | 6.9 | 6.9% |
| DAS28 | 3.12 (1.27) | 3.31 (1.10) | 0.19 (0.67) | 0.85 | 0.85 | 1.32 | 14.4% | |
| SDAI | 9.88 (9.23) | 10.84 (8.24) | 0.96 (4.21) | 0.87 | 0.88 | 8.26 | 9.6% | |
| CDAI | 8.97 (9.10) | 9.96 (8.10) | 0.99 (4.10) | 0.89 | 0.89 | 8.05 | 10.6% | |
| RAPID3 | 2.54 (1.77) | 2.22 (1.63) | 0.32 (0.76) | 0.88 | 0.90 | 1.48 | 14.8% | |
| RADAI | 3.22 (1.87) | 2.91 (1.93) | 0.32 (0.76) | 0.89 | 0.92 | 1.49 | 14.9% |
*D, DAS28; S, SDAI; C, CDAI; R, RAPID3. All p<0.01
Values are mean (standard deviation)
CDAI, Clinical Disease Activity Index; CRP, C-reactive protein; DAS28, 28-joint Disease Activity Score; ESR, erythrocyte sedimentation rate; MDC%, minimum detectable change; PatGlob, patient global assessment of disease activity; PhysGlob, physician/assessor global estimate of disease activity; RADAI, Rheumatoid Arthritis Disease Activity Index; RAPID3, Routine Assessment of Patient Index Data; SDAI, Simple Disease Activity Index; SDD, smallest detectable difference; SJC, swollen joint count; TJC, tender joint count.