Table 1 Baseline characteristics of patients with asymptomatic or symptomatic vertebral artery origin stenosis
From: Long-term outcome of vertebral artery origin stenosis in patients with acute ischemic stroke
|  | Total (n = 137) | Vertebral artery origin stenosis | P-value | |
|---|---|---|---|---|
Asymptomatic (n = 64) | Symptomatic (n = 73) | |||
Age, years (mean ± SD) | 70.4 ± 10.3 | 71.5 ± 10.8 | 69.5 ± 9.9 | 0.247 |
Male (n,%) | 73 (53.3) | 40 (62.5) | 33 (45.2) | 0.043 |
Hypertension (n,%) | 96 (70.1) | 46 (71.9) | 50 (68.5) | 0.666 |
Diabetes (n,%) | 66 (48.2) | 30 (46.9) | 36 (49.3) | 0.776 |
Hyperlipidemia (n,%) | 56 (40.9) | 28 (43.8) | 28 (38.4) | 0.522 |
Atrial fibrillation (n,%) | 6. (4.4) | 4 (6.3) | 2 (2.7) | 0.316 |
Smoking (n,%) | 61 (44.5) | 29 (45.3) | 32 (43.8) | 0.862 |
Previous stroke history (n,%) | 34 (24.8) | 20 (31.3) | 14 (19.2) | 0.103 |
Coronary arterial disease | 27 (19.7) | 12 (18.8) | 15 (20.5) | 0.792 |
Peripheral arterial disease | 5 (3.6) | 2 (3.1) | 3 (4.1) | 0.759 |
ESRS (mean ± SD) | 3.2 ± 1.5 | 3.3 ± 1.5 | 3.1 ± 1.4 | 0.339 |
Concurrent vertebrobasilar stenosis* | 42 (30.7) | 14 (21.9) | 28 (38.4) | 0.037 |
Concurrent carotid stenosis†| 28 (20.4) | 16 (25.0) | 12 (16.4) | 0.215 |
Stroke subtype | Â | Â | Â | 0.304 |
  Small artery occlusion | 39 (28.5) | 21 (32.8) | 18 (24.7) |  |
  Large artery atherosclerosis | 48 (35.0) | 24 (37.5) | 24 (32.9) |  |
  Cardioembolism | 11 (8.0) | 6 (9.4) | 5 (6.8) |  |
  Two or more causes | 16 (11.7) | 4 (6.3) | 12 (16.4) |  |
  Negative evaluation | 23 (16.8) | 9 (14.1) | 14 (19.2) |  |