Table 2.
Patient characteristics and outcomes of each treatment group of DWI-ASPECT ≤ 6
| Factors | Mechanical thrombectomy (n = 15) | Medical management (n = 23) | P |
|---|---|---|---|
| Age (years) | 85, 78–90 | 84, 67–86 | 0.34 |
| Sex (male), n (%) | 6 (40) | 11 (48) | 0.74 |
| Stroke onset to hospital arrival (minutes) | 90, 65–125 | 89, 68–141 | 0.75 |
| Systolic blood pressure (mmHg) | 133, 117–164 | 144, 124–171 | 0.38 |
| Glucose level (mmol/L) | 6.7, 5.8–7.2 | 7.0, 6.3–7.9 | 0.37 |
| Occluded artery (ICA:MCA) | 4:11 | 13:10 | 0.1 |
| Lesion side (right), n (%) | 8 (53) | 12 (52) | >0.99 |
| Glasgow Coma Scale score | 11, 10–14 | 10, 9–12 | 0.26 |
| NIHSS on admission | 18, 14–22 | 19, 16–24 | 0.53 |
| Atrial fibrillation | 15 | 15 | 0.013 |
| Hypertension | 12 | 14 | 0.29 |
| Diabetes mellitus | 2 | 6 | 0.44 |
| Hyperlipidemia | 3 | 3 | 0.66 |
| Previous ischemic stroke | 2 | 3 | >0.99 |
| Alcohol | 4 | 8 | 0.72 |
| Smoking | 3 | 8 | 0.47 |
| Premorbid modified Rankin scale 2 | 3 | 0 | 0.054 |
| Intravenous alteplase | 15 | 9 | <0.001 |
| Any intracranial hemorrhage | 4 | 11 | 0.18 |
| Symptomatic intracranial hemorrhage | 0 | 7 | 0.027 |
| Death | 2 | 9 | 0.15 |
| DWI-ASPECTS | 5, 4–6 | 4, 1–5 | 0.092 |
| Poor prognosis | 11 | 23 | 0.019 |
Values for non-categorical data are presented as the median and 25–75% interquartile range. P value of < 0.05 is underlined. DWI-ASPECTS: Diffusion-weighted Imaging Alberta Stroke Program Early Computed Tomography Score, ICA: internal carotid artery, MCA: middle cerebral artery, NIHSS: National Institute of Health Stroke Scale.