Table 1.
Characteristics of the study population
| LVO stroke patients (N = 79) |
Stroke negative patients (N = 66) |
|||
|---|---|---|---|---|
| Patient data | ||||
| Male sex | 42 | (53.2%) | 27 | (40.9%) |
| Female sex | 37 | (46.8%) | 39 | (59.1%) |
| Median age (years) | 76 | (64–82) | 69 | (57–78)* |
| Male study population | 73 | (63–82) | 69 | (53–82) |
| Female study population | 79 | (74–84) | 69 | (60–77)* |
| Treatment data | ||||
| Intravenous thrombolysis | 50 | (63%) | 11 | (17%)* |
| Endovascular thrombectomy | 79 | (100%) | 0 | (0%)* |
| – | Most proximal occlusion location | Final diagnosis | ||
| – | ICA | (49.4%) | TIA | (45.5%) |
| M1 | (88.6%) | Epilepsy | (24.2%) | |
| M2 | (25.3%) | Vertigo disorders | (12.1%) | |
| Unknown | (10.6%) | |||
| Electrolyte derailment | (4.6%) | |||
| Migraine | (3.0%) | |||
| Imaging data | ||||
| Noncontrast CT-ASPECTS | 8 | (8–10) | 10 | (10–10)* |
| Hypoperfusion volume | 143 | (108–196) | NA | |
| Ischemic core volume | 17 | (9–46) | NA | |
| Mismatch volume | 112 | (70–151) | NA | |
| Final infarction volume | 19 | (6–91) | NA | |
| Automated CTA analysis parameters | ||||
| CTA hemispheric AR | 0.831 | (0.788–0.888) | 0.977 | (0.958–0.990)* |
| CTA min/max AR ratio | 0.799 | (0.751–0.844) | 0.941 | (0.919–0.956)* |
| CTA M2 territory AR | 0.830 | (0.771–0.893) | 0.977 | (0.947–0.988)* |
Values presented are count (percentage) for categorical and median (interquartile range) for ordinal or continuous variables. All volumes are presented in mL
ASPECTS Alberta Stroke Program Early CT Score, ICA internal carotid artery, LVO large vessel occlusion, MCA middle cerebral artery, M1 M1 segment of the MCA, M2 M2 segment of the MCA, NIHSS National Institutes of Health Stroke Scale, AR asymmetry ratio, CTA CT angiography
*Indicates statistical significance with P value <0.05