Research Article
CTA Characteristics of the Circle of Willis and Intracranial Aneurysm in a Chinese Crowd with Family History of Stroke
Table 4
Age and gender specific prevalence of the entire circle morphology.
| | Total, | The entire circle morphology | | EC, (%) | A-PC, (%) | P-PC, (%) | IC, (%) |
| | Age | | | | | | | 45 | 76 | 11 (14.5) | 7 (9.2) | 33 (43.4) | 25 (32.9) | | 45–64 y | 182 | 29 (15.9) | 12 (6.6) | 72 (39.6) | 69 (37.9) | | 65 y | 23 | 3 (13.0) | 1 (4.3) | 12 (52.2) | 7 (30.4) | | Gender | | | | | | | Male | 153 | 26 (17.0) | 7 (4.6) | 69 (45.1) | 51 (33.3) | | Female | 128 | 17 (13.3) | 13 (10.2) | 48 (37.5) | 50 (39.1) |
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