General Clinical Characteristics | N or Value | Proportion, %* |
---|---|---|
Female | 448 | 79.2 |
Median age, yrsa | 36.3 ± 13.4 | |
Disease onset age, yrsb | 28.9 ± 12.0 | |
≤ 20 | 158 | 27.9 |
20–40 | 298 | 52.7 |
≥ 40 | 110 | 19.4 |
Time lag, yrsc | 7.6 ± 0.4 | |
Inflammatory symptoms | ||
Fever | 52 | 9.2 |
Emaciation | 13 | 2.3 |
Arthralgia | 10 | 1.8 |
Carotidynia | 25 | 4.4 |
Amaurosis fugax | 19 | 3.4 |
Cardiovascular risk factors | ||
Hypertension | 62 | 11.0 |
Diabetes mellitus | 17 | 3.0 |
Hyperlipidemia | 28 | 4.9 |
Smoking | 47 | 8.3 |
Vascular symptoms | ||
Dizziness | 214 | 37.8 |
Syncope | 60 | 10.6 |
Blindness or visual disturbances | 58 | 10.2 |
Secondary hypertension | 330 | 58.3 |
Angina pectoris | 57 | 10.1 |
Myocardial infarction | 9 | 1.6 |
Pulselessness | 124 | 21.9 |
Stroke | 28 | 4.9 |
Transient ischemic attack | 58 | 10.2 |
Claudication | 161 | 28.4 |
Other comorbidities or symptoms | ||
Renal failure | 6 | 1.1 |
Congestive heart failure | 151 | 26.7 |
Dyspnea | 48 | 8.5 |
Hemoptysis | 25 | 4.4 |
Laboratory variables | ||
Elevated ESR | 131 | 23.1 |
Elevated CRP | 119 | 21.0 |
Elevated hsCRP | 165 | 29.2 |
Echocardiography | ||
LVEF < 50% | 57 | 11.6 |
PAH, mmHg | 19.2 ± 31.6 |
↵* Representing proportion of 566 patients with TA.
↵a The average age of patients for the first hospitalization.
↵b The presence of the earliest particular symptom or disease that is attributed to TA.
↵c The time between the occurrence of initial symptom and the diagnosis of TA. TA: Takayasu arteritis; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; hsCRP: high-sensitivity CRP; LVEF: left ventricular ejection fraction; PAH: pulmonary arterial pressure.