Table 3.
Spearman’s correlation coefficients among mod SAMIS scores, US-CLARA, HGs, disease composite activity indices, and hand-specific self-report questionnaires in patients with RA
| mod SAMIS-BME | mod SAMIS synovitis | mod SAMIS total score | US-CLARA | HGs peak grip force (kg) | CDAI | DAS28-CRP | SDAI | AIMS2 hand finger function | Quick DASH | ROAD upper extremity function | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| mod SAMIS-ERO |
0.042 0.7335* |
− 0.174 0.1560* |
0.798 < 0.0001* |
0.054 0.6680* |
0.107 0.3925* |
− 0.010 0.9393* |
− 0.030 0.8087* |
− 0.135 0.2794* |
− 0.079 0.5290* |
− 0.119 0.3393* |
− 0.094 0.4517* |
| mod SAMIS-BME |
0.626 < 0.0001* |
0.477 < 0.0001* |
0.799 < 0.0001* |
− 0.815 < 0.0001* |
0.678 < 0.0001* |
0.715 < 0.0001* |
0.588 < 0.0001* |
0.345 0.0046* |
0.312 0.0109* |
0.809 < 0.0001* |
|
| mod SAMIS synovitis |
0.288 0.0172* |
0.539 < 0.0001* |
− 0.711 < 0.0001* |
0.489 < 0.0001* |
0.532 < 0.0001* |
0.453 0.0001* |
0.256 0.0383* |
0.395 0.0010* |
0.610 < 0.0001* |
||
| mod SAMIS total score |
0.377 0.0018* |
− 0.309 0.0116* |
0.307 0.0123* |
0.290 0.0184* |
0.146 0.2432* |
0.117 0.3487* |
0.053 0.6709* |
0.290 0.0183* |
|||
| US-CLARA |
− 0.775 < 0.0001* |
0.671 < 0.0001* |
0.750 < 0.0001* |
0.566 < 0.0001* |
0.479 < 0.0001* |
0.406 0.0007* |
0.804 < 0.0001* |
||||
| HGs peak grip force (kg) |
− 0.691 < 0.0001* |
− 0.717 < 0.0001* |
− 0.586 < 0.0001* |
− 0.397 0.0010* |
− 0.413 0.0006* |
− 0.872 < 0.0001* |
|||||
| CDAI |
0.885 < 0.0001* |
0.867 < 0.0001* |
0.391 0.0012* |
0.407 0.0007* |
0.713 < 0.0001* |
||||||
| DAS28-CRP |
0.838 < 0.0001* |
0.403 0.0008* |
0.486 < 0.0001* |
0.706 < 0.0001* |
|||||||
| SDAI |
0.311 0.0111* |
0.368 0.0023* |
0.616 < 0.0001* |
||||||||
| AIMS2-HFF |
0.211 0.0889* |
0.428 0.0003* |
|||||||||
| Quick-DASH |
0.389 0.0012* |
mod SAMIS modified Simplified Rheumatoid Arthritis Magnetic Resonance Imaging Score; BME bone marrow edema; ERO erosion; US-CLARA UltraSound-CLinical ARthritis Activity index; HGs handgrip strength; CDAI Clinical Disease Activity Index; DAS28-CRP Disease Activity Score 28 joints C-reactive protein; SDAI Simplified Disease Activity Index; AIMS2-HFF Arthritis Impact Measurement Scale Hand and Finger Function; QuickDASH shortened Disability of Arm, Shoulder and Hand questionnaire; ROAD Recent-Onset Arthritis Disability questionnaire. Legend: *=p values.