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Clinical and laboratory parameters of RA patients enrolled in the current study.
| Parameters | Discovery cohort (n = 12) | Validation cohort (n = 31) |
|---|---|---|
| Age (years, mean, range) | 55.9 (45–80) | 57.9 (25–84) |
| Gender (male/female) | 2/10 | 8/23 |
| Erythrocyte sedimentation rate (ESR, mm, mean) | 58.4 | 40.5 |
| C-reactive protein (CRP, mg/dL, mean) | 25.6 | 21.5 |
| Positive rheumatoid factor (n, %) | 10,83.3 | 24,77.4 |
| Positive anti-cyclic citrullinated peptide (CCP) antibodies (n, %) | 9,75 | 24,77.4 |
