General characteristics of 566 patients with TA.
| 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.