Imaging and treatment-related features
| Pre-optimization | Post-optimization | p Value | |
|---|---|---|---|
| Tandem occlusion | 24.1% | 24.3% | 0.766 |
| Cervical carotid occlusion | 15.6% | 11.2% | 0.309 |
| Intracranial carotid | 17.4% | 15.9% | 0.750 |
| ICA-T | 6.1% | 12.1% | 0.078 |
| M1 MCA | 87.6% | 90.4% | 0.163 |
| Posterior circulation | 9.8% | 16.8% | 0.090 |
| TICI 2b/3 reperfusion | 87.1% | 90.5% | 0.391 |
| Combined IV rtPA+IA therapy | 37.0% | 28.6% | 0.155 |
| Baseline NIHSS, median (IQR) | 17 (13–21) | 17 (14–21) | 0.600 |
| ASPECTS, median (IQR) | 9 (8–10) | 8.5 (7–9) | 0.010 |
Bold type indicates significant values.
ASPECTS, Alberta Stroke Program Early CT Score; IA, intra-arterial; ICA, internal carotid artery; IV, intravenous; MCA, middle cerebral artery; NIHSS, National Institutes of Health Stroke Scale; rtPA, recombinant tissue plasminogen activator; TICI, Thrombolysis in Cerebral Infarction.