Outcome by treatment and by collateral score
| Collateral = 0 | Collateral > 0 | P value | |
|---|---|---|---|
| No treatment (# patients) | 8 | 45 | |
| Good outcome (mRS ≤ 2) | 0% | 35.6% | 0.044 |
| Poor outcome (mRS > 2) | 100% | 64.4% | |
| IV treatment only (# patients) | 13 | 30 | |
| Good outcome (mRS ≤ 2) | 7.7% | 50.0% | 0.008 |
| Poor outcome (mRS > 2) | 92.3% | 50.0% | |
| IA treatment ± IV (# patients) | 1 | 75 | |
| Good outcome (mRS ≤ 2) | 0% | 30.7% | 0.507 |
| Poor outcome (mRS > 2) | 100% | 69.3% |