Patient characteristics of the patients with RA and OA
| Characteristics | RA | OA |
|---|---|---|
| (n = 21) | (n = 10) | |
| Values are the means (SD) for continuous variables and percentages for categorical variables. | ||
| Age (years) | 57 (11) | 47 (11) |
| Sex (% women) | 86 | 60 |
| Married or cohabiting (%) | 90 | 100 |
| Employed (%) | 24 | 80 |
| Education (years) | 11 (2) | 12 (3) |
| Current or ex-smoker (%) | 52 | 80 |
| Body mass index (kg/m2) | 29.0 (5.1) | 25.2 (2.6) |
| Disease duration (years) | 12 (11) | 8 (2) |