Multivariate analysis of potential predictors of distal embolization
| Predictors | OR (95% CI) | P |
| First-line thrombectomy strategy | ||
| CAT | 1（ref） | |
| SRT | 6.177（1.77–21.555） | 0.004 |
| SRT and CAT | 1.723（0.465–6.389） | 0.416 |
| Occlusion location | ||
| MCA bifurcation | 1（ref） | |
| ICA bifurcation | 3.21（1.188–8.672） | 0.021 |
| ICA tortuosity | 0.816（0.296–2.253） | 0.695 |
| Number of passes | 1.778（1.132–2.792） | 0.013 |
CAT, contact aspiration thrombectomy; CI, confidence interval; ICA, internal carotid artery; MCA, middle cerebral artery; OR, odds ratio; SRT, stent retriever thrombectomy.