Table 1.
Patients' characteristics
| RA patients | Control group | Healthy blood donors | |
|---|---|---|---|
| total | 108 | 122 | 200 |
| female/male (n) | 87/21 | 84/38 | 139/61 |
| age mean (SD) | 57.9 (13.8) | 57.1 (14) | 47.4 (19.1) |
SD, standard deviation
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