Table 3.
Comparison of laboratory data according to C-reactive protein to albumin ratio (CAR).
| CAR ≥0.98 n:25 | CAR <0.98 n:26 | P | |
|---|---|---|---|
| Age, years | 57.0 (51.5–62.0) | 50.5 (46.5–59.3) | 0.149 |
| Male, gender, n (%) | 14 (56.0%) | 11 (42.3%) | 0.406 |
| BMI, kg/m2 | 28.1 (24.8–32.2) | 27.8 (26.0–30.9) | 1.000 |
| Smoking, n (%) | 4 (16.0%) | 3 (11.5%) | 0.703 |
| Duration of disease, months | 18 (5.0–66.0) | 36 (18.8–77.5) | 0.124 |
| p-ANCA, n (%) | 8 (32.0%) | 13(50.0%) | 0.305 |
| c-ANCA, n (%) | 15 (60.0%) | 10(38.5%) | |
| ANCA negative | 2 (8.0%) | 3(11.5%) | |
| Granulomatosis/Microscopic, n | 17/8 | 15/11 | 0.565 |
| BVAS | 5.0 (3.5–8.0) | 2.0 (0–3.25) | <0.001 |
| BVAS ≥5 | 16 (64.0%) | 4 (15.4%) | 0.001 |
| VDI | 4.0 (2.0–4.0) | 2.0 (1.0–3.0) | 0.006 |
ANCA: Anti-neutrophil cytoplasmic antibody, BMI: Body mass index, BVAS: Birmingham Vasculitis Activity Score, c-ANCA: Cytoplasmic anti-neutrophil cytoplasmic antibody, p-ANCA: Perinuclear anti-neutrophil cytoplasmic antibody, VDI: Vasculitis Damage Index. Data presented as median (25th–75th percentile).