Table 1.
Demographic and clinical characteristics of subjects.
| Characteristics | RA patients | Healthy controls |
|---|---|---|
| NO. of cases | 68 | 66 |
| Female, n (%) | 53 (77.94%) | 45 (68.18%) |
| Male, n (%) | 15 (22.06%) | 21 (31.82%) |
| Age, years (range) | 45.94 (22-73) | 46.32 (24-70) |
| Disease duration (years) | 8.5 ± 8.1 | – |
| ESR (mm/h) (mean ± SD) | 33.25 ± 27.41 | – |
| RF concentration (IU/mL) (mean ± SD) | 101.61 ± 110.99 | – |
| CRP (mg/L) (mean ± SD) | 5.37 ± 4.42 | – |
| IgG (g/L) (mean ± SD) | 12.16 ± 2.77 | – |
| IgA (g/L) (mean ± SD) | 2.08 ± 0.86 | – |
| IgM (g/L) (mean ± SD) | 1.461 ± 0.72 | – |
| C3 (g/L) (mean ± SD) | 0.98 ± 0.17 | – |
| C4 (g/L) (mean ± SD) | 0.21 ± 0.07 | – |
| Anti-CCP (IU/mL) (mean ± SD) | 271.79 ± 150.81 | – |
| Anu A (IU/mL) (mean ± SD) | 8.53 ± 8.77 | – |
| Anti-dsDNA (IU/mL) (mean ± SD) | 71.49 ± 56.86 | – |
| G6PI (mg/mL) (mean ± SD) | 0.20 ± 0.25 | – |
| DAS28 (mean ± SD) | 4.388 ± 1.549 | – |
| Prednisolone responders, n (%) | 38 (55.88%) | – |
| Prednisolone non-responder, n (%) | 30 (44.12%) | – |
Except where otherwise indicated, values are expressed as mean ± standard deviation. There were no significant differences between patients with RA and healthy controls in terms of age and sex.
ESR, erythrocyte sedimentation rate; RF, rheumatoid factor; CRP, C-reactive protein; IgG, IgA, IgM, immunoglobulin G, immunoglobulin A, immunoglobulin M; C3, complement component 3; C4, complement component 4; anti-CCP, anti-cyclic citrullinated peptide antibodies; Anu A, Anti-nucleosome antibody; Anti-dsDNA, anti-double stranded DNA antibody; G6PI, glucose 6 phosphate isomerase; DAS28, 28-joint Disease Activity Score.