Characteristics | Nonrenal, n = 72 | Renal, n = 105 | p |
---|---|---|---|
Female | 65 (90.3) | 86 (81.9) | 0.122 |
Age at diagnosis, yrs | 38.6 ± 11.7 | 35.6 ± 10.7 | 0.082 |
Race | |||
White | 39 (54.2) | 45 (42.9) | 0.337 |
Black | 19 (26.4) | 28 (26.7) | |
Asian | 5 (6.9) | 14 (13.3) | |
Others | 9 (12.5) | 18 (17.1) | |
Disease duration, yrs | 11.7 ± 9.2 | 8.7 ± 7.8 | 0.02 |
Previous immunosuppressive treatment | 45 (62.5) | 63 (60) | |
Azathioprine | 21 (29.17) | 42 (40) | |
Cyclophosphamide | 4 (5.56) | 12 (11.43) | |
Methotrexate | 16 (22.2) | 6 (5.7) | |
Cyclosporine | 0 | 3 (2.86) | |
Others | 4 (5.56) | 0 | |
CNS involvement | 11 (15.3) | 7 (6.7) | 0.063 |
Vasculitis | 2 (2.8) | 6 (5.7) | 0.356 |
MSK features | 19 (26.4) | 11 (10.5) | 0.006 |
Renal disease | 0 (0) | 105 (100) | < 0.001 |
Skin disease | 27 (37.5) | 30 (28.6) | 0.212 |
Serositis | 8 (11.1) | 7 (6.7) | 0.297 |
Immunologic abnormalities | 45 (62.5) | 85 (81) | 0.006 |
Fever | 1 (1.4) | 5 (4.8) | 0.223 |
Hematologic abnormalities | 10 (13.9) | 3 (2.9) | 0.006 |
CNS: central nervous system; MSK: musculoskeletal; immunologic abnormalities: increased anti-dsDNA titers and/or decreased C3/C4 serum levels; C3: complement factor 3; C4: complement factor 4; hematologic abnormalities: systemic lupus erythematosus-related leukopenia or thrombocytopenia.