Aneurysm Characteristics | With Stroke | Without Stroke | P Value |
---|---|---|---|
Aneurysm size (mm) | <.001 | ||
Mean (No.) | 24.5 ± 12.5 (12) | 13.6 ± 6.8 (88) | |
Median (range) | 21.0 (13.0–55.0) | 11.8, (1.6–42.0) | |
Aneurysm neck (mm) | .010 | ||
Mean (No.) | 26.2 ± 19.5 (9) | 10.2 ± 5.2 (60) | |
Median (range) | 22.0 (8.0–53.0) | 9.0 (2.0–27.0) | |
Aneurysm location | .211 | ||
Posterior circulation | 38.5% (5/13) | 22.5% (20/89) | |
Anterior circulation | 61.5% (8/13) | 77.5% (69/89) | |
Aneurysm location by vessel | .677 | ||
ICA | 53.8% (7/13) | 59.6% (53/89) | |
ACA | 0.0% (0/13) | 1.1% (1/89) | |
BA | 23.1% (3/13) | 10.1% (9/89) | |
MCA | 7.7% (1/13) | 13.5% (12/89) | |
PcomA | 0.0% (0/13) | 0.0% (0/89) | |
VA | 15.4% (2/13) | 10.1% (9/89) | |
Other | 0.0% (0/13) | 5.6% (5/89) | |
Presented with ruptured aneurysm | 0.0% (0/13) | 5.6% (5/89) | .381 |
Note:—BA indicates basilar artery; VA, vertebral artery; PcomA, posterior communicating artery; ACA, anterior cerebral artery.