Table 1 Baseline characteristics of the 54 patients
Characteristics | Baseline value |
|---|---|
Age, years | 60 (36–84) |
Sex, n (%) female | 42 (78) |
Disease status | |
Disease duration, years | 16 (1–36) |
Disease Activity Score in 28 joints-erythrocyte sedimentation rate | 5.3 (2.1–7.7) |
Erythrocyte sedimentation rate, mm/h | 33.4 (3.0–111.0) |
C-reactive protein, mg/L | 17 (1–166) |
Rheumatoid factor positivity, n (%) | 38 (70) |
Anti-cyclic citrullinated peptide positivity, n (%) | 47 (87) |
Radiologic evidence of erosions, n (%) | 42 (78) |
Previous treatment, n (%) | |
Anti-tumor necrosis factor-α | 42 (78) |
Methotrexate | 24 (52) |
Prednisone | 42 (78) |
Lymphocyte immunophenotype | |
CD19+ cells/mm3 | 211 (25–706) |
CD3+ cells/mm3 | 1,740 (323–3,378) |
CD4+ cells/mm3 | 1,192 (233–2,882) |
CD8+ cells/mm3 | 482 (120–1,114) |