Table 1. Description of patients’ characteristics .
| Variable | Descriptive index |
| Age (y) | 43.08±19.17 |
| Sex | |
| Male | 12(50.0%) |
| Female | 12(50.0%) |
| Inpatients | 1 (4.2%) |
| Duration of hospitalization (days) | 13.39±8.33 |
| HTN | 5( 20.8%) |
| Fever | 9 (37.5%) |
| Rash | 1 (4.2%) |
| Arthralgia | 1 (4.2%) |
| Flank pain | 7(29.2%) |
| Hematuria (microscopic) (>3 RBC) | 17(70.8%) |
| Hematuria (gross) | 6(25.0%( |
| Cr (admission)(mg/dL) | 5.65±2.81 |
| Cr (peak)(mg/dL) | 6.24±3.59 |
| Urine pro.24(mg/24 h) | 813.16±1776.55 |
| ESR (mm/h) | 67.84±28.94 |
| CRP(mg/L) | 44.80±38.99 |
| BUN (mg/dL) | 55.66±33.02 |
| Eosinophilia (c 0.5 × 109/L) | 1 (4.2%) |
| Anemia | 20 (83.3%) |
| Leukocytosis (>10.5 × 109/L) | 5 (20.8%) |
| Pyuria (>5WBC/HPF) | 15 (62.5%) |
| Proteinuria(>150 mg/d) | 14 (58.3%) |
| AKIN stage | |
| Stages 1&2 | 6 (25.0%) |
| Stage3 | 18 (75.0%) |
| Infiltration | |
| Mild | 11 (45.8%) |
| Moderate | 3 (12.5%) |
| Severe | 10 (41.7%) |
| Interstitial fibrosis | 9 (37.5%) |
| Granuloma | 1 (4.2%) |
| Tubular necrosis | 5 (20.8%) |
| Interstitial edema | 17( 70.8%) |
| Treatment | |
| Dialysis | 13 (54.2%) |
| Steroid | 17 (70.8%) |
| PO | 12 (70.6%) |
| IV | 5 (29.4%) |
| Recovery | |
| Complete | 14 (58.3%) |
| Partial or none | 10 (41.7%) |
| CKD | 8 (33.3%) |
| ESRD | 2 (8.3%) |
| Ultimate outcome | |
| Normal | 14 (58.3%) |
| CKD | 8 (33.3%) |
| ESRD | 2 (8.3%) |
Quantitative variables were described using means ±SD and qualitative variable were described using frequency (%).