Baseline characteristics of 105 patients with Takayasu arteritis.
| Clinical Variables | Total, n = 105 | Inactive, n = 9 | Active, n = 96, 91.4% | p | |
|---|---|---|---|---|---|
| Relapse, n = 57, 59.4% | Nonrelapse, n = 39, 40.6% | ||||
| Age at onset, yrs | 35.6 ± 16.9 | 50.4 ± 13.7 | 30.0 ± 14.9 | 40.4 ± 17.5 | 0.003 |
| Female | 95 (90.4) | 9 (100) | 48 (84.2) | 38 (97.4) | 0.045 |
| Time until diagnosis, mos | 18.3 ± 41.0 | 31.6 ± 44.6 | 16.8 ± 47.1 | 17.8 ± 29.8 | 0.91 |
| Hypertension | 44 (41.9) | 6 (66.7) | 19 (33.3) | 19 (48.7) | 0.14 |
| Aortic dissection | 12 (11.4) | 1 (11.1) | 9 (15.8) | 2 (5.1) | 0.19 |
| Aneurysm | 29 (27.6) | 3 (33.3) | 16 (28.1) | 10 (25.6) | 0.82 |
| Aortic regurgitation | 44 (41.9) | 2 (22.2) | 26 (45.6) | 16 (41.0) | 0.68 |
| Inflammatory bowel disease | 8 (7.6) | 1 (11.1) | 3 (5.3) | 4 (10.8) | 0.44 |
| CRP, mg/dl | 4.1 ± 4.0 | 0.9 ± 1.4 | 4.3 ± 4.0 | 4.5 ± 4.0 | 0.93 |
| ESR, mm/h | 58.9 ± 35.2 | 31.5 ± 30.9 | 56.5 ± 36.1 | 64.9 ± 35.2 | 0.35 |
| Classification of affected vessel | |||||
| Type I | 17 (16.1) | 3 (33.3) | 6 (10.5) | 8 (20.5) | 0.24 |
| Type IIa | 25 (23.8) | 1 (11.1) | 14 (24.6) | 10 (25.6) | 0.99 |
| Type IIb | 20 (19.0) | 2 (22.2) | 13 (22.8) | 5 (12.8) | 0.29 |
| Type III | 9 (8.5) | 1 (11.1) | 4 (7.0) | 4 (10.3) | 0.71 |
| Type IV | 3 (2.8) | 1 (11.1) | 2 (3.5) | 0 (0.0) | 0.51 |
| Type V | 31 (29.5) | 1 (11.1) | 18 (31.6) | 12 (30.8) | 0.99 |
| Ascending and arch aorta | 76 (72.3) | 4 (44.4) | 45 (79.0) | 27 (69.2) | 0.34 |
| Descending aorta | 60 (57.1) | 4 (44.4) | 35 (61.4) | 21 (53.9) | 0.53 |
| Abdominal aorta | 43 (40.9) | 3 (33.3) | 24 (42.1) | 16 (41.0) | 0.99 |
| Coronary artery | 14 (13.3) | 2 (22.2) | 7 (12.3) | 5 (12.8) | 0.99 |
| Pulmonary artery | 14 (13.3) | 2 (22.2) | 6 (10.5) | 6 (15.4) | 0.54 |
| Renal artery | 26 (24.7) | 2 (22.2) | 16 (28.1) | 8 (20.5) | 0.48 |
| Surgical history | 35 (33.3) | 3 (33.3) | 23 (40.3) | 9 (23.1) | 0.084 |
Values are mean ± SD or n (%). CRP: C-reactive protein; ESR: erythrocyte sedimentation rate.