Table 1.
Univariate statistical analysis using Wilcoxon rank-sum test. Shown are median and interquartile range for control, non-aneurysmal MCA in patients with aneurysms at other locations, and aneurysmal middle cerebral artery bifurcations.
| Control MCA (no aneurysms) (n = 27) |
Non-aneurysmal MCA (non-MCA aneurysms) (n = 57) |
Aneurysmal MCA (n = 62) |
p value | |
|---|---|---|---|---|
| Φ1 | 32.3° (26 – 42.4) | 50.2° (34.5 – 61) | 77.5° (52.9 - 96) | <0.001 |
| Φ2 | 56.6° (47.7 - 66.3) | 54.3° (44.5 - 73.1) | 101.7° (84.5 - 115.6) | <0.001 |
| Φ1 + Φ2 | 92.1° (76.2 - 97.7) | 103.6° (91.85 - 124.4) | 171.5° (150.8 - 191.5) | <0.001 |
| γ | 15.4° (5.2 – 33.7) | 16.1° (0 – 38.9) | 57.8° (16.5 – 82.3) | <0.001 |