Table 4.
Correlations of HAQ-disability index and EuroQol EQ-5D scores with measures of disease severity, expressed by Spearman’s rank correlation coefficients, ρ
| Outcome measure | Tender joint count | Swollen joint count | Pain intensity | Stiffness severity | Overall MSQ score |
|---|---|---|---|---|---|
| HAQ-DI | 0.63 | 0.15 | 0.68 | 0.51 | 0.59 |
| EQ-5D domains: | |||||
| Mobility | 0.33 | 0.26 | 0.27 | 0.43 | 0.37 |
| Self-care | 0.35 | 0.12 | 0.37 | 0.40 | 0.51 |
| Usual activities | 0.25 | 0.10 | 0.33 | 0.34 | 0.43 |
| Pain/discomfort | 0.35 | 0.32 | 0.49 | 0.47 | 0.49 |
| Anxiety/depression | 0.13 | 0.01 | 0.20 | 0.25 | 0.31 |
| EQ global health VAS | −0.48 | −0.21 | −0.46 | −0.47 | −0.53 |