Table 3.
Baseline correlates of musculoskeletal variables*
| Musculoskeletal variables | Physician global health |
Patient global health |
SF-36 PCS |
SF-36 MCS |
HAQ DI | CPK | Tendon friction rubs |
Small joint contractures |
Large joint contractures |
Tender joint count |
|---|---|---|---|---|---|---|---|---|---|---|
| Patient reported | ||||||||||
| HAQ DI | 0.43 | 0.57 | −0.79 | 0.29 | – | 0.06 | 0.25 | 0.22 | 0.36 | 0.23 |
| Laboratory | ||||||||||
| Serum CPK | 0.19 | 0.13 | −0.15 | 0.06 | 0.04 | – | 0.29 | 0.00 | 0.14 | 0.01 |
| Physical examination | ||||||||||
| Tendon friction rubs | 0.36 | 0.21 | −0.24 | 0.09 | −0.06 | 0.29 | – | 0.18 | 0.21 | 0.10 |
| Small joint contractures | 0.36 | 0.13 | −0.19 | 0.09 | 0.07 | 0.00 | 0.18 | – | 0.50 | 0.20 |
| Large joint contractures | 0.39 | 0.28 | −0.29 | −0.01 | 0.07 | 0.14 | 0.21 | 0.50 | – | 0.14 |
| Tender joint count | 0.31 | 0.21 | −0.32 | 0.00 | 0.09 | 0.01 | 0.10 | 0.20 | 0.14 | – |
*
SF-36 = Short Form 36 health survey; PCS = physical component score; MCS = mental component score; HAQ = Health Assessment Questionnaire; DI = disability index; CPK = creatine phosphokinase.