Table 1.
General characteristics of 65 Japanese systemic lupus erythematosus patients.
| Characteristics | n = 65 |
|---|---|
| Sex | |
| Female, n (%) | 56 (84) |
| Male, n (%) | 11 (16) |
| Median age (range), years | 33 (16–79) |
| Median disease duration of SLE (range), months | 55 (1–420) |
| Untreated patients, n (%) | 55 (83) |
| Items of SLE classification criteria, n (%) | |
| Rash | 32 (48) |
| Alopecia | 3 (4) |
| Oral ulcer | 5 (7) |
| Arthritis | 22 (33) |
| Serositis | 17 (25) |
| Renal disorder | 38 (57) |
| Laboratory findings, n (%) | |
| Leukocytopenia | 25 (37) |
| Thrombocytopenia | 18 (27) |
| Anti-double stranded-DNA antibody positive | 52 (78) |
| Anti-smith antibody positive | 31 (46) |
| Anti-phospholipid antibody positive | 28 (42) |
| Median SLEDAI, index (range) | 14 (0–50) |
| Median SDI, index (range) | 1 (0–4) |
SLE: systemic lupus erythematosus, SLEDAI: SLE disease activity index, SDI: Systemic Lupus International Collaborating Clinics (SLICC) damage index.