Comparison of angles and diameters between ruptured and unruptured MCA aneurysms
| Variables | Ruptured Aneurysman = 22 | Unruptured Aneurysman =23 | P Value | |
|---|---|---|---|---|
| Parent-daughter angles | ϕA (°) | 84.08 ± 20.77 | 79.53 ± 19.74 | .423 |
| ϕNA (°) | 120.22 ± 21.17 | 117.85 ± 21.76 | .691 | |
| ϕC1 (°) | 115.35 ± 22.45 | 117.15 ± 23.52 | .777 | |
| ϕC2 (°) | 117.53 ± 18.56 | 113.78 ± 16.43 | .449 | |
| Daughter-daughter angles | γA (°) | 137.01 ± 24.69 | 143.97 ± 17.99 | .265 |
| γC (°) | 117.67 ± 19.04 | 114.67 ± 26.87 | .634 | |
| Aneurysmal side RDs | RDA (mm) | 0.80 ± 0.17 | 0.73 ± 0.22 | .244 |
| RDNA (mm) | 0.90 ± 0.22 | 0.84 ± 0.14 | .234 | |
| Nonaneurysmal side RDs | RDC1 (mm) | 0.75 ± 0.14 | 0.72 ± 0.20 | .549 |
| RDC2 (mm) | 0.78 ± 0.14 | 0.82 ± 0.20 | .469 |
↵a Values are presented as means.