Table 2 Characteristics of patients with SLE for serum biomarker assessment

N

200

Female, n, %

182, 91%

Age, year (mean ± SD)

38.06 ± 12.78

SLEDAI (mean ± SD)

12.55 ± 6.97

CysC (mean ± SD)

1.55 ± 0.94

Proteinuria (> 0.5 g/24 h), n, %

63, 31.5%

Hematuria, n, %

76, 38%

Cylindruria, n, %

11, 5.5%

Malar erythema, n, %

5, 66.67%

Phontaesthesia, n, %

2, 28.57%

Mucosal ulcers, n, %

15, 7.5%

Lupus headache, n, %

6, 3%

Arthritis, n, %

94, 47%

Rash, n, %

55, 27.5%

Pleurisy, n, %

1, 0.5%

Pyuria, n, %

69, 34.5%

Psychosis, n, %

5, 2.5%

Fever, n, %

72, 36%

Lupus encephalopathy, n, %

1, 0.5%

Alopecia, n, %

21, 10.5%

Low C3, n, %

144, 72%

Anti-dsDNA antibody, n, %

115, 57.5%