Clinical course of class IV LN patients
| Early biopsy (n=9) | Late biopsy (n=3) | |
|---|---|---|
| Clinical presentation at SLE diagnosis | Hematuria, HTN, proteinuria | No hematuria, HTN, or proteinuria |
| Median time to first renal manifestation | N/A (at SLE diagnosis) | 9 months |
| Median time to biopsy | 5 days | 48 months |
| Pre-biopsy corticosteroid received (n) | 11.1% (1) | 100% (3) median cumulative dose: 4152 mg/m2 |