Table 1 Clinical and laboratory parameters of RA patients enrolled in the current study
Parameters | Discovery cohort (n = 12) | Validation cohort (n = 31) |
|---|---|---|
Age (years, mean ± SD) | 55.9 ± 10.4 | 57.9 ± 12.0 |
Gender (male/female) | 2/10 | 8/23 |
Disease duration (months, mean ± SD) | 36.5 ± 30.6 | 41.5 ± 21.5 |
Erythrocyte sedimentation rate (ESR, mm/H, mean ± SD) | 58.4 ± 21.3 | 40.5 ± 27.3 |
C-reactive protein (CRP, mg/dL, mean ± SD) | 25.6 ± 22.9 | 21.5 ± 36.7 |
Positive rheumatoid factor (n, %) | 10, 83.3 | 24, 77.4 |
Positive anti-cyclic citrullinated peptide (CCP) antibodies (n, %) | 9, 75 | 24, 77.4 |