Table 1. Baseline characteristics of patients who underwent mechanical thrombectomy for acute basilar artery occlusion.
| All (n = 35) |
Control (n = 22) |
Very poor (n = 13) |
p value | |
|---|---|---|---|---|
| Demographics | ||||
| Age, years, mean ± SD | 75.9 ± 10.6 | 77.9 ± 10.5 | 72.7 ± 10.0 | 0.172 |
| Sex, male | 26 (74.3%) | 16 (72.7%) | 10 (76.9%) | 0.900 |
| Vascular risk factors | ||||
| Hypertension | 19 (54.3%) | 13 (59.1%) | 6 (46.2%) | 0.696 |
| Diabetes | 7 (20.0%) | 5 (22.7%) | 2 (15.4%) | 0.930 |
| Dyslipidemia | 6 (17.1%) | 5 (17.4%) | 1 (7.7%) | 0.499 |
| Smoking | 11 (31.4%) | 8 (36.4%) | 3 (23.1%) | 0.659 |
| Clinical presentation | ||||
| Preoperative NIHSS score, mean ± SD | 25.1± 8.6 | 22.0 ± 9.0 | 30.5 ± 4.3 | <0.001 |
| Pc-ASPECTS, mean ± SD | 7.1 ± 1.2 | 7.3 ± 1.3 | 6.8 ± 0.8 | 0.071 |
| Infarct volume in brain stem (cc), mean ± SD | 1.02 ± 1.52 | 0.11 ± 0.19 | 2.55 ± 1.56 | <0.001 |
| Etiology | ||||
| Cardioembolism | 21 (34.8%) | 15 (68.2%) | 6 (46.2%) | 0.353 |
| Large-artery atherosclerosis | 13 (59.4%) | 7 (31.8%) | 6 (46.2%) | |
| Others | 1 (2.8%) | 0 | 1 (7.7%) | |
Pc-ASPECTS: posterior circulation of Alberta Stroke Program Early Computed Tomography Score, NIHSS: National Institutes of Health Stroke Scale, SD: standard deviation.