Table 3.
Comparison of Stroke Subtypes Between Carotid and Vertebrobasilar Territory Infarctions
| Mechanism | Carotid (n=1606) | Vertebrobasilar (n=914) | Both (n=182) | Total (n=2702) | P Value |
|---|---|---|---|---|---|
| LAA | 37.6 | 40.0 | 21.4 | 37.3 | <0.001 |
| SVO | 21.4 | 30.1 | 0.0 | 22.9 | <0.001 |
| CE | 23.2 | 13.8 | 32.4 | 20.6 | <0.001 |
| OD | 1.9 | 3.7 | 8.2 | 2.9 | <0.001 |
| Two or more | 3.9 | 2.4 | 4.9 | 3.4 | 0.081 |
| Negative | 10.8 | 8.3 | 28 | 11.1 | <0.001 |
| Incomplete | 1.4 | 1.6 | 4.9 | 1.7 | 0.002 |
Values are percentages of patients. CE indicates cardioembolism; Incomplete, incomplete evaluation; LAA, large‐artery atherosclerosis; Negative, negative evaluation; OD, other determined etiology; SVO, small vessel occlusion; Two or more, two or more causes identified.