Table 1.
Baseline characteristics of SLE patients (N=81)
| Characteristics | x̅±S/n (%) |
|---|---|
| Female sex | 73 (90.12) |
| Age (year) | 33.85±10.71 |
| Disease duration (month) | 50.93±48.48 |
| Malar rash | 12 (14.81) |
| Alopecia | 38 (46.91) |
| Oral ulcer | 9 (11.11) |
| Arthritis | 11 (13.58) |
| Serositis | 14 (17.28) |
| Central nervous system involvement | 3 (3.70) |
| Vasculitis | 3 (3.70) |
| Hematological system involvement | 10 (12.35) |
| Renal involvement | 38 (46.91) |
| SLEDAI | |
| ≤4 | 31 (38.28) |
| 5-9 | 25 (30.86) |
| >10 | 25 (30.86) |
| Immunologic features | |
| ANA positive | 76 (93.82) |
| Anti-dsDNA positive (>100 IU/ml) | 46 (56.79) |
| Low C3 levels (<0.9 g/L) | 39 (48.14) |
| Low C4 levels (<0.1 g/L) | 29 (35.80) |
| High IgG levels (>16 g/L) | 28 (34.57) |
| Trementment, n (%) | |
| Glucocorticoids | 78 (90.12) |
| Mycophenolate mofetil | 39 (48.15) |
SLE: Systemic lupus erythematosus; SLEDAI: Systemic lupus erythematosus disease activity index; ANA: Antinuclear antibodies; ESR: Erythrocyte sedimentation rate; CRP: C reactive protein; C3: Complement 3; C4: Complement 4; IgG; Immunoglobulin G; Reference range of C3: 0.9-1.8 g/L; Reference range of C4: 0.1-0.4 g/L; Reference range of IgG: 7-16 g/L; Reference range of dsDNA: 0-100 IU/ml.