Table 2.
Clinical and radiographic features
| Acute ischemic stroke (n = 156) | Intracranial hemorrhage (n = 28) | |
|---|---|---|
| NIHSS at baseline, median (IQR) | 13 (5–21) (n = 130) | 22 (7–25) (n = 16) |
| Glasgow Coma Scale at baseline, median (IQR) | n/a | 6 (4–15) (n = 15) |
| Head CT performed, no. (%) | 135/151 (89.4%) | 28 (100%) |
| First CT indicating acute stroke, no. (%) | 76/132 (57.6%) | n/a |
| Intracranial hemorrhage on CT, no. (%) | 14/132 (10.6%) | 28 (100%) |
| Any vascular imaging performed, no. (%) | 105/156 (67.3%) | 14/28 (50.0%) |
| Intracranial occlusion identified, no. (%) | 53/107 (49.5%) | n/a |
| MRI brain performed, no. (%) | 55/151 (36.4%) | 8/27 (29.6%) |
| MRI evidence of acute stroke, no. (%) | 45/55 (81.8%) | 5/8 (62.5%) |
| CT or MRI location of infarction, no. (%) | n/a | |
| Cortical | 81/101 (80.2%) | n/a |
| Subcortical supratentorial | 54/101 (53.5%) | n/a |
| Infratentorial | 12/101 (11.9%) | n/a |
| Stroke etiology, no. (%) | ||
| Cardioembolism | 35/129 (27.1%) | n/a |
| Large vessel atherosclerotic disease | 15/129 (11.6%) | n/a |
| Small vessel disease | 4/129 (3.1%) | n/a |
| Cryptogenic | 55/129 (42.6%) | n/a |
| Other | 11/129 (8.5%) | n/a |
| ICH compartment, a no. (%) | ||
| Intraparenchymal | n/a | 20 (71.4%) |
| Subarachnoid | n/a | 7 (25.0%) |
| Subdural | n/a | 2 (7.1%) |
| Intraventricular | n/a | 8 (28.6%) |
| Epidural | n/a | 0 (0%) |
| IPH location*, no. (%) | ||
| Supratentorial | n/a | 13/18 (72.2%) |
| Infratentorial | n/a | 7/18 (38.9%) |
| IPH volume, median cc (IQR) | n/a | 20 (10–66.2) (n = 11) |
| ICH score, median (IQR) | n/a | 3 (1–3) (n = 10) |
| IPH etiology, no. (%) | ||
| Coagulopathy | n/a | 8/16 (50.0%) |
| Hypertension | n/a | 5/16 (31.3%) |
| Other | n/a | 3/16 (18.8%) |
a
Some patients experienced intracranial hemorrhage in multiple compartments with intraparenchymal involvement of supra- and infratentorial regions.
NIHSS: National Institutes of Health Stroke Scale; IQR: interquartile range; CT: computed tomography; MRI: magnetic resonance imaging; ICH: intracranial hemorrhage; IPH: intraparenchymal hemorrhage.