Table 4.
Univariate Analysis of According to 3-Month Clinical Outcome
| mRS 0–2 | P | mRS 4–6 | P | |
|---|---|---|---|---|
| Assessment of CoW Configurations | ||||
| Complete | 12(27.9) | 12(33.3) | 0.337 | |
| Incomplete | 31(72.1) | 24(66.7) | ||
| A1 variation | ||||
| None | 26(60.5) | 0.765 | 23(63.9) | 0.677 |
| Hypoplasia | 12(27.9) | 9(25.0) | ||
| Aplasia | 5(11.6) | 4(11.1) | ||
| VA variation | ||||
| None | 24(55.8) | 0.155 | 31(40.7) | 0.666 |
| Hypoplasia | 15(34.9) | 23(37.1) | ||
| Aplasia | 4(9.3) | 8(12.9) | ||
| AComA open | 38(88.4) | 0.144 | 29(80.6) | 0.736 |
| Collateral score 0–1 | 3(11.1) | <0.001 | 21(77.8) | <0.001 |
Abbreviations: CoW, Circle of Willis; VA, vertebral artery; AComA, anterior communicating artery.