Table 1.
Patient demographics according to timing of recanalization.
| EVT 0-6 hours (n=72) | EVT >6 hours (n=105) | p-value | |
|---|---|---|---|
| Age, median years (IQR) | 68 (58-80) | 69 (57-81) | 0.62 |
| Sex, n female (%) | 37 (52%) | 50 (48%) | 0.62 |
| Ethnicity, n (%) | 0.03 | ||
| Black | 12 (17%) | 21 (20%) | |
| Caucasian | 35 (49%) | 50 (48%) | |
| Asian | 0 (0%) | 2 (2%) | |
| Other | 20 (28%) | 15 (14%) | |
| Unknown | 5 (7%) | 19 (18%) | |
| Baseline NIHSS, median (IQR) | 18 (13-21) | 16 (10-20) | 0.17 |
| Occlusion location, n (%) | 0.89 | ||
| Internal carotid artery terminus occlusion | 21 (29%) | 30 (29%) | |
| M1 occlusion | 38 (53%) | 53 (50%) | |
| M2 occlusion | 13 (18%) | 22 (21%) | |
| Treatment with intravenous thrombolysis, n (%) | 47 (65%) | 10 (10%) | <0.01 |
| Time from last seen normal to recanalization or angiography completion, median minutes (IQR) | 232 (182-274) | 720 (540-969) | <0.01 |
| TICI 2b/3, n (%) | 69 (96%) | 85 (81%) | <0.01 |
EVT: endovascular thrombectomy, n: number of patients, IQR: interquartile range, NIHSS: National Institutes of Health Stroke Scale, M1: the proximal middle cerebral artery segment, M2: the second division of the middle cerebral artery, and TICI: thrombolysis in cerebral infarction, with a score of 2b/3 indicating >50% recanalization of the previously occluded vessel.