Aneurysm location | All IA | Women | Men | p Value |
---|---|---|---|---|
ACA | 262 (7) | 164 (6) | 98 (10) | 0.0006 |
Acom | 485 (13) | 276 (10) | 209 (21) | <0.0001 |
AICA | 4 (0.1) | 2 (0.1) | 2 (0.2) | 0.2 |
BA | 232 (6) | 159 (6) | 73 (7) | 0.2 |
ICA (cavernous) | 234 (6) | 163 (6) | 71 (7) | 0.5 |
ICA (paraclinoid) | 247 (7) | 209 (8) | 38 (4) | <0.0001 |
ICA (supraclinoid) | 815 (22) | 644 (24) | 171 (17) | <0.0001 |
ICA (ophthalmic) | 129 (4) | 110 (4) | 19 (2) | 0.0008 |
ICA (superior hypophyseal) | 96 (3) | 82 (3) | 14 (1) | 0.002 |
ICA (anterior choroidal) | 25 (0.7) | 19 (0.7) | 6 (0.6) | 0.7 |
MCA | 669 (18) | 484 (18) | 185 (18) | 0.5 |
PCA | 57 (2) | 40 (1) | 17 (2) | 0.8 |
Pcom | 258 (7) | 186 (7) | 72 (7) | 1 |
PICA | 53 (1) | 37 (1) | 16 (2) | 0.8 |
SCA | 35 (1) | 27 (1) | 8 (0.8) | 0.6 |
Vertebral | 46 (1) | 27 (1) | 19 (2) | 0.05 |
Numbers in parentheses represent the percentage of each column. p Values denote differences in IA distribution between women and men determined by the χ2 test.
ACA, anterior cerebral artery; Acom, anterior communicating artery; AICA, anterior inferior cerebellar artery; BA, basilar artery; IA, intracranial aneurysm; ICA, internal carotid artery; MCA, middle cerebral artery; PCA, posterior cerebral artery; Pcom, posterior communicating artery; PICA, posterior inferior cerebellar artery; SCA, superior cerebellar artery.