Table 1.
Characteristics of patients with rheumatoid arthritis - combined or by group - at baseline
| All patients (n = 27) | MTX-only group (n = 10) | MTX + anti-TNFa group (n = 17) | |
|---|---|---|---|
| Age (years), mean ± SD | 51.9 ± 15.4 | 58.6 ± 15.8 | 47.7 ± 13.8 |
| Sex (female:male) | 22:5 | 7:3 | 15:2 |
| Ethnicity | |||
| Hispanic or Latino | 25 | 10 | 15 |
| Native Hawaiian or other Pacific Islanders | 1 | 0 | 1 |
| African American | 1 | 0 | I |
| Disease duration (years), mean ± SD | 6.5 ± 5.4 | 7.1 ± 5.2 | 5.7 ± 5.6 |
| Body mass index (kg/m2), mean ± SD | 28.3 ± 7.1 | 24.5 ± 5.5 | 30.1 ± 7.6 |
| Seropositivity of rheumatoid factor | 14 | 3 | 11 |
| Anti-CCP antibody | 19 | 7 | 12 |
| Cumulative prednisone dose (mg) | 4.5 ± 3.8 | 1.4 ± 2.2 | 4.9 ± 3.6 |
MTX methotrexate, TNFa Tumor necrosis factor alpha, DAS-28 disease activity score in 28 joints, CCP citrullinatcd protein