Patient characteristics.
| Characteristics | Study Population |
|---|---|
| Patients, N | 101 |
| Age, yrs, mean (SD) | 57.83 (10.66) |
| Sex, female/male, n (%) | 58 (57)/43 (43) |
| HAQ-DI score, mean (SD) | 0.84 (0.75) |
| Disease duration, yrs, mean (SD) | 18.23 (11.26) |
HAQ-DI: Health Assessment Questionnaire-Disability Index.