Table 2. Clinical and laboratory characteristics of NPSLE and non-NPSLE patients according to the American College of Rheumatology (ACR) classification criteria.
| ACR criteria | NPSLE N = 42 (%) | non-NPSLE, N = 15 (%) |
|---|---|---|
| Malar rash | 34 (81.0) | 10 (66.7) |
| Discoid rash | 10 (23.8) | 4 (26.7) |
| Photosensitivity | 38 (90.5) | 11 (73.3) |
| Oral ulcers | 22 (52.4) | 4 (26.7) |
| Arthritis | 38 (90.5) | 14 (93.3) |
| Serositis | 3 (7.1) | 3 (20.0) |
| Renal disorder | 13 (31.0) | 7 (46.7) |
| Hematologic disorder | 34 (81.0) | 13 (86.7) |
| hemolytic anemia | 19 (45.2) | 8 (53.3) |
| leukopenia | 27 (64.3) | 10 (66.7) |
| lymphopenia | 14 (33.3) | 8 (53.3) |
| thrombocytopenia | 17 (40.5) | 4 (26.7) |
| Immunologic disorder | 23 (54.8) | 8 (53.3) |
| anti-dsDNA antibodies | 8 (19.0) | 3 (20.0) |
| anti-Sm antibodies | 8 (19.0) | 2 (13.3) |
| VDRL—false positive | 1 (2.3) | 1 (7.1) |
| anticardiolipin antibodies IgG or IgM | 11 (26.2) | 3 (20.0) |
| lupus anticoagulant | 5 (11.9) | 2 (13.3) |
| ANA positive (titer > 1/160) | 42 (100) | 15 (100) |
NPSLE—neuropsychiatric systemic lupus erythematosus; ANA—antinuclear antibodies
Differences between NPSLE and non-NPSLE groups are statistically insignificant.