Baseline demographic and clinical characteristics
| Characteristic | Total % (n=107) |
| Age, mean±SD, years | 63±12 |
| Female gender | 44 (n=47) |
| Hypertension | 76 (n=81) |
| Hyperlipidemia | 60 (n=64) |
| Diabetes mellitus | 34 (n=36) |
| Coronary artery disease | 37 (n=40) |
| Tobacco use | 50 (n=53) |
| Atrial fibrillation | 10 (n=11) |
| Stroke severity on admission | |
| NIHSS, median (IQR) | 8 (11) |
| ASPECTS, median (IQR)* | 9 (2) |
| ASPECTS ≤8 | 32 (n=34) |
| Clinical-imaging mismatch† | 93 (n=77/83) |
| Lesion characteristics | |
| Side, % right ICA | 48 (n=51) |
| Contralateral ICA stenosis ≥70% | 13 (n=14) |
| Contralateral occlusion | 12 (n=13) |
| Ipsilateral retrograde ICA flow | 67 (n=72) |
| Time from symptom onset to revascularization | |
| <24 hours | 35 (n=37) |
| 24–72 hours | 36 (n=39) |
| >72 hours | 29 (n=31) |
*Alberta Stroke Program Early CT Score (ASPECTS) as measured pre-procedure CT or diffusion-weighted MR (DWI).
†Clinical-imaging mismatch (CIM); defined as NIHSS ≥8 and ASPECTS ≥8 or NIHSS ≥4 and ASPECTS=10.