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Demographic data in RA patients and controls.
| Parameter | Value (mean ± standard deviation) | |
|---|---|---|
| RA patients | Controls | |
| Sex [n (%)] | 35 | 35 |
| Males | 12 (34.28%) | 12 (34.28%) |
| Females | 23 (65.72%) | 23 (65.72%) |
| Mean age (years) | 55.6 ± 9.74 | 54.14 ± 6.28 |
| Mean length of RA evolution (months) | 14.25 ± 5.27 | — |
| The drugs used by the RA patients in the moment of investigation | Methotrexate (30 patients; 13.28 ± 2.25 mg/week) and leflunomide (5 patients; 20 mg/day) | — |
