Table 1 Demographic and clinical characteristics of SLE patients.

From: Anti-SmD1 antibodies are associated with renal disorder, seizures, and pulmonary arterial hypertension in Chinese patients with active SLE

Demographic variables

Naive SLE

Non-naive SLE

χ 2/t

P

Cases

100

169

  

Gender (M/F)

4/96

17/152

3.20

0.073

Age (years)*

31.47 ± 12.2

32.3 ± 10.3

0.76

0.451

Clinical features

SLEDAI*

9.02 ± 8.01

10.60 ± 8.45

1.52

0.131

Malar rash

46 (46.00%)

91 (53.85%)

1.55

0.213

Discoid rash

8 (8.00%)

16 (9.47%)

0.17

0.683

Photosensitivity

28 (28.00%)

50 (29.59%)

0.08

0.782

Oral ulcers

21 (21.00%)

50 (29.59%)

1.49

0.222

Arthritis

33 (33.00%)

86 (50.89%)

8.15

0.004

Serositis

15 (15.00%)

36 (21.30%)

1.62

0.203

Renal disorder

35 (35.00%)

81 (47.93%)

4.28

0.039

Neurologic disorder

3 (3.00%)

44 (26.04%)

21.55

0.000

Hematologic disorder

56 (56.00%)

97 (57.40%)

0.05

0.823

Immunologic disorder

76 (76.00%)

140 (82.84%)

1.86

0.173

Antinuclear antibody

84 (84.00%)

157 (92.90%)

5.34

0.021

  1. *Statistical analysis of age and SLEDAI adopted independent-sample test.