Baseline characteristics of the 59 patients with clinically inactive TA. Values are n (%) unless otherwise specified.
| Characteristics | Total, n = 59 |
|---|---|
| Age at diagnosis, yrs, mean ± SD | 42.9 ± 12.9 |
| Older age, > 35 yrs | 43 (72.9) |
| Sex, male/female | 9/50 (84.7) |
| Weight, kg, mean ± SD | 56.7 ± 7.7 |
| Height, cm, mean ± SD | 158.6 ± 7.8 |
| Delay in diagnosis, mos, median (IQR) | 12.0 (3.0–60.0) |
| Delay in diagnosis, > 2 yrs | 28 (47.5) |
| ESR, mm/h, mean ± SD | 15.5 ± 11.7 |
| CRP, mg/dl, mean ± SD | 0.21 ± 0.24 |
| Creatinine, mg/dl, mean ± SD | 0.78 ± 0.17 |
| Systemic HTN | 28 (47.5) |
| Renovascular HTN | 9 (15.3) |
| Limb claudication | 24 (40.7) |
| Decreased pulse | 46 (78.0) |
| Asymmetric blood pressure | 49 (83.1) |
| Vascular bruit | 19 (32.2) |
| Vascular involvement | |
| Stenosis | 51 (86.4) |
| Occlusion | 38 (64.4) |
| Dilatation | 13 (22.0) |
| Aneurysm | 11 (18.6) |
| Aortic regurgitation | 4 (6.8) |
| Classification† | |
| Type I | 13 (22.0) |
| Type IIa | 2 (3.4) |
| Type IIb | 11 (18.6) |
| Type III | 3 (5.1) |
| Type IV | 0 (0.0) |
| Type V | 30 (50.8) |
| Diagnostic imaging modality | |
| CT | 42 (71.2) |
| Angiography | 29 (49.2) |
| MRI | 2 (3.4) |
↵† Classification based on the International Conference on TA in Tokyo, 1994. IQR: interquartile range; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; CT: computed tomography; MRI: magnetic resonance imaging; TA: Takayasu arteritis; HTN: hypertension.