TABLE 3.
Variables Associated with PET Scan Interpretation of Active Vasculitis
| Univariable | Multivariable | |||
|---|---|---|---|---|
| OR (95%CI) | P value | OR (95%CI) | P value | |
| Disease Activity Active vs Remission | 4.63 (1.62 – 13.32) | <0.01 | 16.14 (3.14–83.03) | <0.01 |
| Disease Duration (per year) | 0.99 (0.98–0.99) | <0.01 | 0.99 (0.98–0.99) | 0.01 |
| BMI (kg/m2) | 0.91 (0.85–0.97) | <0.01 | 0.89 (0.82–0.97) | 0.03 |
| Vasculitis TAK vs GCA | 0.42 (0.18–0.96) | 0.04 | 9.24 (0.43–196.58) | 0.20 |
| Immune Med Yes vs No | 2.33 (0.93–5.83) | 0.07 | 2.30 (0.65–8.18) | 0.31 |
| Age (per year) | 1.02 (0.99–1.04) | 0.13 | 1.06 (0.99–1.13) | 0.14 |
| Prednisone (mg/day) | 0.98 (0.95–1.01) | 0.16 | 0.94 (0.90–0.99) | 0.03 |
| Sex Male vs Female | 1.40 (0.57–3.46) | 0.47 | Not included in multivariable analysis | |
| Fibrinogen (mg/dL) | 1.00 (0.99–1.01) | 0.51 | ||
| ESR (mm/hr) | 1.01 (0.98–1.03) | 0.64 | ||
| Endothelin 1 (pg/mL) | 0.98 (0.88–1.09) | 0.68 | ||
| CRP (mg/mL) | 1.01 (0.98–1.02) | 0.89 | ||
OR = odds ratio; CI = confidence interval; BMI = body mass index; TAK = Takayasu’s arteritis; GCA = giant cell arteritis; Immune Med = glucocorticoid-sparing medication; ESR = erythrocyte sedimentation rate; CRP = C-reactive protein.