Clinical and demographic characteristics of rheumatoid arthritis patients and control subjects
| RA (n = 82) | Controls (n = 30) | |
|---|---|---|
| F, female; M, male; RA, rheumatoid arthritis. | ||
| Age (years) (mean (SD)) | 59 (12) | 53 (7) |
| Sex (F;M, (n (%)) | 63 (77%); 19 (23%) | 21 (70%); 9 (30%) |
| Disease duration (years) (mean) | 14 | 0 |