Table I.
Baseline characteristics of the study populations.
| Characteristic | SLE (n=80) | Other autoimmune diseases (n=55) | Healthy control (n=60) |
|---|---|---|---|
| Age, years | 35±12 | 40±14 | 38±14 |
| Gender, n | |||
| Female | 71 | 42 | 41 |
| Male | 9 | 13 | 19 |
| Disease duration, years | 4.52±3.81 | 4.83±3.68 | – |
| Anti-dsDNA, IU/ml | 309.69±238.47 | – | – |
| C3, mg/dl | 82.7±37.8 | – | – |
| C4, mg/dl | 16.3±6.80 | – | – |
| SLEDAI-2K | 10.81±5.02 | – | – |
| SDI | 0.82±1.12 | – | – |
Values are presented as mean ± standard deviation. SLE, Systemic lupus erythematosus; anti-dsDNA, anti-double-stranded DNA; C3, complement 3; C4, complement 4; SLEDAI-2K, Systemic Lupus Erythematosus; Disease Activity Index 2000 score; SDI, Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index.