Table 2.
Baseline characteristics of remission to low active rheumatoid arthritis (RA), moderate to high active RA and healthy subjects from cohort 2.
| Characteristics | Healthy subjects (n = 28) | Remission to low active RA (n = 15) | RA with moderate to high active |
|---|---|---|---|
| disease (n = 38) | |||
| Female, n (%)‡ | 22 (78.57) | 12 (80.00) | 32 (84.21) |
| Age (years) (mean ± SD) [min, max] | 51 ± 18 [29, 78] | 51 ± 7 [41, 65] | 58 ± 11 [27, 84] |
| BMI (Kg/m2) (mean ± SD) [min, max] | 20.38 ± 2.57 [16.61, 25.95] | 21.10 ± 3.29 [17.65, 29.76] | 21.42 ± 3.23 [16.61, 27.68] |
| Duration of disease (year) (mean ± SD) [min, max] | N/A | 13.00 ± 10.88 [2.00, 36.00] | 12.62 ± 11.30 [0.60, 40.00] |
| ESR (mm/h) (mean ± SD) [min, max] | 6.17 ± 3.01 [2.00, 15.00] | 6.60 ± 3.70 [2.00, 15.00] | 50.03 ± 30.97&&&$$$ [15.00, 120.00] |
| CRP (mg/L) (mean ± SD) [min, max] | 4.31 ± 2.16 [0.20, 7.74] | 2.40 ± 1.20 [1.11, 5.15] | 27.36 ± 31.82&&&$$$ [1.00, 123.00] |
| DAS28 (CRP) | N/A | 2.49 ± 0.67 [1.31, 3.26] | 4.46 ± 0.94$$$ [3.00, 4.60] |
| DAS28 (ESR) | N/A | 2.31 ± 0.62 [1.28, 3.20] | 5.05 ± 0.98$$$ [3.13, 7.67] |
| Rheumatoid factor, n (%) ||‡ | N/A | 9 (60.00) | 32 (84.21) |
| ACPA, n (%) ||‡ | N/A | 12 (80.00) | 32 (84.21) |
BMI, Body mass index; ESR, Erythrocyte sedimentation rate; CRP, C reactive protein; DAS28, Disease Activity Score with 28-joint counts; N/A, not applicable; ACPA, anti-cyclic citrullinated peptide. (*) significance with healthy subjects vs. RA in remission to low active disease, (&) significance with healthy subjects vs. RA with moderate to high active disease, ($) significance with remission to low active RA vs. RA with moderate to high active disease. (*, &, $) significance by one-way ANOVA with Kruskal-Wallis non-parametric test.
‡
significance by chi-square test.
||
antibody positivity.