Research Article
Isotypes of Epstein-Barr Virus Antibodies in Rheumatoid Arthritis: Association with Rheumatoid Factors and Citrulline-Dependent Antibodies
Table 1
Clinical characteristics of the patients and controls.
| | | RA | SLE | HC |
| | Number of individuals | 77 | 28 | 28 | | Average age (years) (range) | 55.5 (27–78) | 41.3 (20–81) | 36.6 (22–61) | | Average disease duration (years) (range) | 14.8 (2–41) | — | — | | Female (%) | 76.6 | 96.4 | 96.4 | | CCP antibody positive (%) | 63.6 | — | — | | RF IgM positive (%) | 70.1 | 7.1 | — | | RF IgA positive (%) | 57.1 | 25 | — | | Average hsCRP (mg/L) (range) | 11.6 (0.3–69.9) | 5.1 (1–22) | — | | HAQ score (range) | 0.82 (0–2.9) | — | — | | TSS (range) | 86.1 (0–321) | — | — | | Methotrexate (%) | 64.9 | 7.1 | — | | Glucocorticoids (%) | 29.9 | 60.7 | — | | NSAID (%) | 33.8 | 14.3 | — | | Anti-TNF-alfa (%) | 36.4 | — | — |
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