Table 1 Baseline characteristics of the enrolled RA patients
N = 18 | |
|---|---|
Age of diagnosis, years (mean ± SD) | 52.6 ± 10.9 |
Female, n (%) | 17 (94.4) |
Disease duration prior to abatacept, years, median (range) | 5.8 (0.8~30.0) |
Number of previous biologics | |
0, n (%) | 10 (55.6) |
1, n (%) | 3 (16.7) |
2, n (%) | 3 (16.7) |
3, n (%) | 2 (11.1) |
Rheumatoid factor positive, n (%) | 16 (88.9) |
Anti-CCP antibody positive, n (%) | 11 (61.1) |
ESR, mm/h (mean ± SD) | 41.1 ± 22.7 |
CRP, mg/dl, median (range) | 1.0 (0.3~7.7) |
Tender joint count (mean ± SD) | 4.3 ± 3.2 |
Swollen joint count, median (range) | 5 (1~12) |
VAS ptGA, mm (from 0 to 100) (mean ± SD) | 68.8 ± 21.9 |
DAS28-ESR score (mean ± SD) | 5.3 ± 1.2 |