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) | Â | Â | Â | Â | Â | - (0.426) |