Table 2.
Summary of risk factors and outcomes of patients in the SES/BES group who received a SES or a BES.
| Variables | SES (n = 21) |
BES (n = 23) |
Total (n = 44) |
p-value | |
|---|---|---|---|---|---|
| Gender (male) | 17 (81%) | 17 (74%) | 34 | 0.724 | |
| Age (> 65) | 5 (24%) | 6 (26%) | 11 | 0.862 | |
| Symptom onset (≤2 days) | 2 (9%) | 0 (0%) | 2 | 0.222 | |
| Initial NIHSS (≥4) | 5 (24%) | 3 (13%) | 8 | 0.448 | |
| Presenting symptom pattern |
Stroke | 14 (66%) | 16 (70%) | 30 | 0.837 |
| TIA | 7 (33%) | 7 (30%) | 14 | ||
| Risk factors | Hypertension | 18 (86%) | 15 (65%) | 33 | 0.117 |
| Diabetes mellitus | 7 (33%) | 11 (48%) | 18 | 0.388 | |
| Hyperlipidaemia | 12 (57%) | 8 (34%) | 20 | 0.137 | |
| Smoking | 7 (33%) | 6 (26%) | 13 | 0.599 | |
| Cardiac disease | 5 (24%) | 1 (4%) | 6 | 0.088 | |
| Previous stroke | 3 (14%) | 7 (30%) | 10 | 0.287 | |
| Location | Intracranial ICA | 0 (0%) | 10 (43%) | 10 | 0.001 |
| M1 | 17 (81%) | 5 (22%) | 22 | < 0.001 | |
| Intracranial VA | 3 (14%) | 7 (30%) | 10 | 0.287 | |
| Basilar artery | 1 (5%) | 1 (4%) | 2 | 1.000 | |
| Adverse event in 6 m | 1 (5%) | 0 (0%) | 1 | 0.477 | |
| mRS (≤2) at 6 m | 21 (100%) | 23 (100%) | 44 | – | |
| Residual stenosis | 4-47(32) | 0-47(18) | 0-47(25) | < 0.001 | |
| Restenosis | 4/9 (44%) | 1/10 (10%) | 5/19 | 0.327 | |
| SES = self-expandable stent, BES = balloon-expandable stent, NIHSS = National Institutes of Health Stroke Scale, TIA = transient ischemic attach, ICA = internal carotid artery, VA = vertebral artery, mRS = modified Rankin Scale, m = months. | |||||