Demographics of patients with isolated hematuria and/or pyuria in the absence of other systemic disease activity. Data are mean ± SD (median) or n (%).
| Female | 28 (88) |
| Age at presentation, yrs | 42.3 ± 17.6 (40.1) |
| Disease duration at first episode, yrs | 9.7 ± 9.0 (7.9 ) |
| Age at SLE diagnosis, yrs | 32.6 ± 17.5 (27.6) |
| Mean length of followup, yrs | 9.0 ± 10.9 (4.4) |
| Interval between the 2 consecutive visits | |
| with hematuria | 4.3 ± 1.7 (3.4) |
| Duration of hematuria and/or pyuria (mos) | 8.0 ± 7.2 (5.9) |
| Race | |
| White | 18 (56) |
| Black | 5 (16) |
| Asian | 4 (13) |
| Others | 5 (16) |
| Treatment at presentation | |
| Prednisone | 23 (72) |
| Antimalarial | 18 (56) |
| Immunosuppressants | 14 (44) |
SLE: systemic lupus erythematosus.