Table 4.
The characteristics in dialysis independent group and death or maintaining dialysis group according to the patient outcomes
| Characteristics | Dialysis independent group (n = 25) | Death/ maintaining dialysis group (n = 81) | P value |
|---|---|---|---|
| Age (year) | 59.5 ± 12.7 | 59.3 ± 15.1 | 0.950 |
| Female (n, %) | 20, 80.0 | 46, 56.8 | 0.058 |
| White blood cells (109/L) | 9.4 ± 4.6 | 8.0 ± 4.2 | 0.152 |
| Hemoglobin (g/L) | 74.0 ± 15.7 | 73.8 ± 12.7 | 0.969 |
| Platelet (109/L) | 225.2 ± 101.4 | 193.2 ± 86.1 | 0.122 |
| Serum albumin (g/L) | 31.5 ± 5.7 | 31.7 ± 5.0 | 0.907 |
| Serum globulin (g/L) | 30.5 ± 7.0 | 29.7 ± 5.3 | 0.554 |
| Alanine transaminase (u/L) | 14.8 ± 13.4 | 12.4 ± 7.3 | 0.392 |
| Serum creatinine (μmol/L) | 601.1 ± 150.3 | 718.4 ± 193.8 | 0.007 |
| ≥500 μmol/L (case, %) | 18, 72.0 | 75, 92.6 | 0.012 |
| eGFR (ml/min/1.73m2) | 7.2 ± 1.9 | 6.5 ± 1.8 | 0.097 |
| UPCR (g/24 h) | 2.5 ± 0.7 | 3.4 ± 2.4 | 0.004 |
| ≥3.5g/24h (case, %) | 3, 12.5 | 27, 35.5 | 0.041 |
| ESR (mm/h) | 83.0 ± 42.3 | 81.5 ± 37.1 | 0.875 |
| CRP (mg/L) | 48.0 ± 53.8 | 38.8 ± 45.2 | 0.401 |
| MPO-ANCA positive (case, %) | 22, 88.0 | 73, 92.4 | 0.446 |
| PR3-ANCA positive (case, %) | 4, 16.0 | 6, 7.7 | 0.251 |
| Pulmonary involvement (case, %) | 18, 72.0 | 61, 75.3 | 0.795 |
| BVAS | 14.6 ± 3.2 | 15.6 ± 2.8 | 0.174 |
| Kidney length (cm) | 10.6 ± 1.1 | 10.1 ± 1.4 | 0.113 |
| Infection (case, %) | 10, 40.0 | 31, 38.3 | 1.000 |
| Intravenous methylprednisolone pulses (case, %) | 21, 84.0 | 32, 39.5 | <0.001 |
| Kidney biopsy (case, %) | 9, 36.0 | 23, 28.4 | 0.467 |
eGFR Estimated glomerular filtration rate, UPCR Urine protein creatinine ratio, ESR Erythrocyte sedimentation rate, CRP C reactive protein, MPO Myeloperoxidase, PR3 Proteinase 3, BVAS Birmingham Vasculitis Activity Score