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Table 1 Cross-sectional study demographics

From: Urinary TWEAK as a biomarker of lupus nephritis: a multicenter cohort study

 

LN patients

Non-LN patients

Normal controls

Rheumatoid arthritis patients

Osteoarthritis patients

Renal controls

Pvalue all (LN vs. non-LN)

Number of patients (% female)

30 (93)

49 (88)

28 (89)

79 (90)

25 (84)

31 (55)

- (0.474)

Age (years)

34.5 (28 to 44)

41 (34 to 46)

37 (29 to 45)

58 (51 to 67)

63 (57 to 77)

63 (56 to 67)

<0.001* (0.074)

Ethnicitya

14/14/0/2

27/17/0/2b

7/14/3/4

-

-

-

-

African American (%)

46.6

58.7

25

-

-

-

- (0.304)

SLEDAI

10 (7 to 16)

3.5 (2 to 6)

-

-

-

-

- (<0.001*)

SLEDAI without renal component

2 (0 to 6)

     

- (0.426)

  1. Continuous variables presented as the median (interquartile range). LN, lupus nephritis; SLEDAI, Systemic Lupus Erythematosus Disease Activity Index. aAfrican American/Hispanic/Caucasian/other.bEthnicity of three additional non-LN systemic lupus erythematosus patients is unknown. *P < 0.05. The Mann- Whitney U test was used to compare two groups with continuous variables, while the Kruskal- Wallis test was used for three or more groups. The two-sample proportion test was used for categorical variables.
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Arthritis Research & Therapy

ISSN: 1478-6362

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