Demographic and disease features of the patients with Takayasu arteritis and the comparators*
| TAK (n=462) | Comparators (n=450)† | P value | |
| Age, mean±SD years | 32.3±10.4 | 58.6±18.0 | <0.001 |
| Female sex | 391 (84.6) | 246 (54.7) | <0.001 |
| Clinical features | |||
| Angina | 56 (12.1) | 7 (1.6) | <0.001 |
| Arm claudication | 233 (50.4) | 11 (2.4) | <0.001 |
| Leg claudication | 88 (19.0) | 17 (3.8) | <0.001 |
| Vascular examination findings | |||
| Arterial bruit | 263 (56.9) | 32 (7.1) | <0.001 |
| Reduced or absent pulse in upper extremity | 309 (66.9) | 309 (66.9) | <0.001 |
| Carotid artery with reduced pulse or tenderness | 171 (37.0) | 16 (3.6) | <0.001 |
| Difference in systolic blood pressure ≥20 mm Hg between arms | 190 (41.1) | 16 (3.6) | <0.001 |
| Imaging findings | |||
| 1 affected arterial territory | 76 (16.5) | 36 (8.0) | <0.001 |
| 2 affected arterial territories | 114 (24.7) | 12 (2.7) | <0.001 |
| ≥3 affected arterial territories | 89 (19.2) | 5 (1.1) | <0.001 |
| Vasculitis affecting paired branch arteries | 140 (30.3) | 12 (2.7) | <0.001 |
| Abdominal aorta involvement with renal or mesenteric artery involvement | 83 (18.0) | 5 (1.1) | <0.001 |
*Except where indicated otherwise, values are the number (%).
†Diagnoses of comparators for the classification criteria for TAK included giant cell arteritis (n=151), Behçet’s disease (n=80), polyarteritis nodosa (n=39), clinically isolated aortitis (n=12), primary central nervous system vasculitis (n=11), large‐vessel vasculitis (LVV) that could not be subtyped (n=7) and other diseases that mimic LVV (n=150).
TAK, Takayasu arteritis.