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Patients and healthy blood donors
| RA | HD | |
|---|---|---|
| Number | 25 | 20 |
| Number (female/male) | 19/6 | 8/12 |
| Age (years ± SD) | 58.75 ± 9.138 | 58.16 ± 6.35 |
| Disease duration (years ± SD) | 12.9 ± 7.9 | n/a |
| Disease activity (RADAI ± SD) | 3.7 ± 1.42 | n/a |
| Disease activity (DAS28 ± SD)a | 4.0 ± 0.97 | n/a |
The disease activity scores using 28 joint counts (DAS28) were obtained in 20 patients with RA.
