| No relapse (n = 10) | Relapse (n = 9) | p | |
| Age (years) | 36 | 30 | 0.07 |
| Time to biopsie (days) | 12 | 20 | 0.6 |
| Lupus seniority (months) | 0 | 12 | 0.04 |
| SLEDAI at admission | 12 | 8 | 0.9 |
| Inaugural lupus | 80% | 20% | 0.025 |
| High blood pressure | 30% | 20% | 1 |
| Proteinuria (g/d) | 1.6 | 2.1 | 0.7 |
| Nephrotic syndrom | 30% | 40% | 1 |
| Hematuria | 50% | 20% | 0.32 |
| Kidney injury | 30% | 10% | 0.5 |
| Anemia | 50% | 70% | 0.65 |
| Lymphopenia | 37.5% | 62.5% | 0.6 |
| thrombopenia | 40% | 10% | 0.3 |
| Corticosteroids | 67% | 90% | 0.58 |
| Renin angiotensin inhibitors | 14% | 0% | 0.4 |
| Immunosuppressive therapy | 25% | 10% | 0.55 |
| Antimalarial treatment | 80% | 77% | 0.9 |