Table 1.
Values are numbers with percentages in parentheses, unless indicated otherwise
| Variable name | Overall cohort (n = 187) |
|---|---|
| Demographic data | |
| Age, mean (SD), years | 60 (10) |
| Male sex | 157 (84.0) |
| Vascular risk factors | |
| Hypertension | 133 (71.1) |
| Diabetes mellitus | 51 (27.3) |
| Dyslipidemia | 30 (16.0) |
| Coronary heart disease | 21 (11.2) |
| Atrial fibrillation | 11 (5.9) |
| Prior stroke | 37 (19.8) |
| Premorbid mRS ≥ 3 | 9 (4.8) |
| Current smoking | 70 (37.4) |
| Clinical characteristics | |
| SBP, mean (SD), mmHg | 160 (25) |
| NIHSS score, median (IQR) | 22 (10–34) |
| GCS score, median (IQR) | 8 (3–13) |
| pc-ASPECTS on DWI, median (IQR) | 6 (5–8) |
| PMI on DWI, median (IQR) | 2 (1–4) |
| Occlusion site | |
| Proximal BA (including intracranial VA) | 104 (55.6) |
| Middle BA | 54 (28.9) |
| Distal BA | 29 (15.5) |
| Tandem lesion | 25 (13.4) |
| Underlying ICAS | 117 (62.6) |
| Presence of PcomA | |
| No | 68 (36.4) |
| Unilateral | 88 (47.1) |
| Bilateral | 31 (16.6) |
| ASITN/SIR collateral system | |
| Grade 0–1 | 78 (41.7) |
| Grade 2 | 87 (46.5) |
| Grade 3–4 | 22 (11.8) |
| Stroke subtype by TOAST criteria | |
| Large artery arteriosclerosis | 151 (80.7) |
| Cardioembolic | 29 (15.5) |
| Other or unknown etiology | 7 (3.7) |
Abbreviations: BA basilar artery, DWI diffusion weighted imaging, GCS Glasgow Coma Scale, ICAS intracranial atherosclerotic stenosis, IQR interquartile range, mRS modified Rankin Scale, NIHSS National Institutes of Health Stroke Scale, pc-ASPECTS posterior circulation Acute Stroke Prognosis Early CT Score, PMI Pons-Midbrain Index, SBP systolic blood pressure, SD standard deviation, TOAST Trial of Org 10,172 in Acute Stroke Treatment, VA vertebral artery