Table 5.
Univariate and multivariate logistic regression analyses for the prediction of high BVAS.
| Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|
| OR | 95% CI | p value | OR | 95% CI | p value | |
| P-ANCA | 2.524 | 0.992-6.422 | 0.052 | |||
| MPO-ANCA | 3.165 | 1.232-8.130 | 0.017 | |||
| ANCA positivity | 3.553 | 1.292-9.772 | 0.014 | |||
| WBC count | 1.211 | 1.052-1.393 | 0.008 | |||
| Hemoglobin | 0.690 | 0.552-0.862 | 0.001 | |||
| Blood urea nitrogen | 1.047 | 1.010-1.085 | 0.012 | |||
| Creatinine | 1.511 | 1.083-2.108 | 0.015 | |||
| Total protein | 0.351 | 0.162-0.759 | 0.008 | |||
| Serum albumin | 0.063 | 0.017-0.239 | <0.001 | 0.132 | 0.032-0.551 | 0.006 |
| ESR | 1.030 | 1.011-1.049 | 0.002 | |||
| CRP | 1.071 | 1.007-1.138 | 0.030 | |||
| SAA > 1173.6 ng/mL | 33.654 | 6.969-162.527 | <0.001 | 15.132 | 2.656-86.196 | 0.002 |
BVAS: Birmingham Vasculitis Activity Score; P: perinuclear; ANCA: antineutrophil cytoplasmic antibody; MPO: myeloperoxidase; WBC: white blood cell; BUN: blood urea nitrogen; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; SAA: serum amyloid A.