Table 4.
Evaluation of variables affecting clinical outcomes in acute ischemic stroke patients with atherosclerotic stenosis in the symptomatic basilar artery.
| Variables | Patients with acute stroke due to basilar artery stenosis with unfavourable clinical outcome (n = 22) | Patients with acute stroke due to basilar artery stenosis with favourable clinical outcome (n = 47) | p-value |
|---|---|---|---|
| Age* | 70.00 ± 7.91 | 65.80 ± 9.55 | 0.078 |
| Sex** (male gender) | 8 (36.36%) | 30 (52.63%) | 0.033 |
| Hypertension** | 18 (81.81%) | 39 (68.42%) | 1.000 |
| Diyabetes mellitus** | 16 (72.72%) | 29 (61.70%) | 0.370 |
| Smoker** | 9 (40.90%) | 27 (57.44%) | 0.200 |
| Atrial fibrilation** | 1 (4.54%) | 4 (8.51%) | 1.000 |
| Congestive heart failure** | 8 (36.36%) | 6 (17.76%) | 0.050 |
| Coroner artery disease** | 9 (40.90%) | 16 (34.04%) | 0.580 |
| Stroke mechanism | |||
| Artery-to-artery** embolism | 15 (68.18%) | 16 (34.04%) | 0.008 |
| Perforators stroke** | 11 (50.00%) | 33 (70.21%) | 0.104 |
| Hemodynamic stroke** | 4 (18.18%) | 8 (17.02%) | 1.000 |
| Basilar artery occlusion** | 5 (22.72%) | 4 (8.51%) | 0.132 |
| Mix mechanism** | 12 (54.54%) | 14 (29.78%) | 0.050 |
| Segment of basilary artery | |||
| Proximal segment** | 15 (68.18%) | 17 (36.17%) | 0.007 |
| Mid-basilar segment** | 9 (40.90%) | 33 (70.21%) | 0.020 |
| Distal segment** | 3 (13.63%) | 3 (6.38%) | 0.375 |
| Multi-segment stenosis** | 4 (18.18%) | 5 (10.63%) | 0.452 |
| Stroke recurrence** | 11 (50.00%) | 19 (40.42%) | 0.455 |
| Degree of stenosis* | 74.00 (57.50, 95,00) | 80.00 (60.00, 90.00) | 0.891 |
| Basilar artery stenting** | 6 (27.27%) | 21 (44.68%) | 0.167 |
| Posterior collateral** scores (poor collateral scores) | 8 (36.66%) | 19 (40.42%) | 0.747 |
Significant variables are shown in bold. *Mann-Witney U-test, **Pearson chi-square test/continuity correction test/Fisher exact test.