Table 1.
Baseline characteristics of rheumatoid arthritis (RA) patients with moderate to high disease activity and healthy subjects from cohort 1.
| Characteristics | Healthy subjects (n = 60) | RA with moderate to high disease activity (n = 35) |
|---|---|---|
| Female, n (%)‡ | 48 (80) | 28 (80) |
| Age (years) (mean ± SD) [min, max] | 61 ± 17 [41, 79] | 60 ± 10 [43, 78] |
| BMI (Kg/m2) (mean ± SD) [min, max] | 21.84 ± 3.27 [16.97, 32.33] | 21.41 ± 2.04 [16.61, 25.61] |
| Duration of disease (years) (mean ± SD) [min, max] | N/A | 9.54 ± 8.51 [0.67, 30.00] |
| ESR (mm/h) (mean ± SD) [min, max] | 6.70 ± 3.02 [2.00, 12.00] | 63.86 ± 35.83*** [10.00, 85.00] |
| CRP (mg/L) (mean ± SD) [min, max] | 3.08 ± 1.67 [1.10, 7.08] | 34.79 ± 30.51*** [4.99, 77.00] |
| DAS28 (CRP) | N/A | 4.46 ± 0.94 [3.00, 4.60] |
| DAS28 (ESR) | N/A | 5.05 ± 0.98 [3.13, 7.67] |
| Rheumatoid factor, n (%) || | N/A | 33 (94.29) |
| ACPA, n (%) || | N/A | 35 (100) |
BMI, Body mass index; ESR, Erythrocyte sedimentation rate; CRP, C reactive protein; DAS28, Disease Activity Score with 28-joint counts; ACPA, anti-cyclic citrullinated peptide. || antibody positivity. (*) significance by U-test.
‡
significance by chi-square test. N/A, not applicable.