Table 1 Demographic and baseline clinical characteristics of patients with rheumatoid arthritis (N = 460)
Characteristics | N | (%) |
|---|---|---|
Age, yrs, mean (SD) | 56.1 | (9.6) |
Female | 406 | (88.3) |
Education completed | ||
Junior high school | 114 | (24.8) |
High school | 251 | (54.6) |
Junior college or higher | 95 | (20.6) |
Disease duration, yrs, mean (SD) | 11.4 | (9.5) |
ACR class | ||
1 | 76 | (16.5) |
2 | 322 | (70.0) |
3 | 62 | (13.5) |
Joint stage* | ||
1 | 55 | (12.0) |
2 | 98 | (21.3) |
3 | 113 | (24.6) |
4 | 194 | (42.2) |
Afflicted joint* count (0–49), mean (SD) | 10.0 | (8.8) |
No. of extra-articular complications* | ||
0 | 351 | (76.3) |
1 | 83 | (18.0) |
2+ | 26 | (5.7) |
C-reactive protein, mg/dl, mean (SD) | 1.63 | (2.11) |
Medical treatments† | ||
Methotrexate use | 194 | (42.2) |
Corticosteroids use | 205 | (44.6) |
Other DMARDs use | 246 | (53.5) |