Table 1.
Demographic and clinical characteristics of the patients.
| Healthy controls n = 20 |
Patients with AAV n = 20 |
|
|---|---|---|
| Age (years) | 64 ± 3 | 63 ± 2 |
| Sex (females, %) | 10 (50.0%) | 9 (45.0%) |
| p-ANCA+ (n, %) | N/A | 16 (80.0%) |
| c-ANCA+ (n, %) | N/A | 3 (15.0%) |
| Proteinuria (g/24 h) | N/A | 1.56 ± 0.27 |
| Serum creatinine (μmol/L) | 72.2 ± 20.3 | 368.9 ± 60.7∗∗ |
| Blood urea nitrogen (mmol/L) | 4.1 ± 0.8 | 17.0 ± 2.6∗∗ |
| C-reactive protein (mg/L) | 62.1 ± 49.3 | |
| Erythrocyte sedimentation rate (mm/h) | 65.0 ± 38.1 | |
| Diagnosis (n, %) | ||
| Granulomatosis with polyangiitis | 6 (30%) | |
| Microscopic polyangiitis | 14 (70%) | |
| Lung complications (n, %) | 16 (80%) |
∗∗ P < 0.01vs. healthy control.