Table 3.
The length (mm) of the arteries of the circle of Willis and statistical significance between male and female
| MALE | FEMALE | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arteries | AM | SD | SE | min. | max. | AM | SD | SE | min. | max. | T-test | P-value |
| ACA | 2.12 | 0.29 | 0.02 | 1.1 | 2.93 | 2.04 | 0.23 | 0.01 | 1.2 | 2.7 | 2.5 | 0.01 |
| ACoA | 1.52 | 0.26 | 0.03 | 0.9 | 2.4 | 1.49 | 0.18 | 0.02 | 0.9 | 2.1 | 0.78 | 0.05 |
| MCA | 3.4 | 0.32 | 0.02 | 2.45 | 4.34 | 3.31 | 0.29 | 0.02 | 2.48 | 4 | 2.5 | 0.01 |
| ICA | 3.8 | 0.14 | 0.02 | 3.45 | 4.2 | 3.79 | 0.22 | 0.01 | 2.81 | 4.15 | 0.51 | 0.05 |
| PCoA | 1.2 | 0.2 | 0.01 | 0.9 | 2.1 | 1.26 | 0.23 | 0.02 | 0.9 | 2.1 | 2.24 | 0.05 |
| PCA | 2.04 | 0.3 | 0.02 | 1.07 | 2.8 | 1.95 | 0.31 | 0.02 | 0.9 | 2.6 | 2.25 | 0.05 |
| BA | 3.28 | 0.33 | 0.04 | 2.09 | 4.15 | 3.26 | 0.2 | 0.01 | 1.9 | 3.9 | 1.11 | 0.05 |
AM = arithmetic mean; SD = standard deviation; SE = standard error; Min = minimum value; Max = maximum value; ACA = anterior cerebral artery; ACoA = anterior communicating artery; MCA = Middle cerebral artery; PCoA = posterior communicating artery; PCA = posterior cerebral artery; BA =basilar artery, T = T-test, P>0.05 (not significant), P < 0.05 (significant), P < 0.01 (highly significant), P < 0.001 (Very highly significant).