Baseline characteristics of patients presenting with an M2 occlusion
| Characteristics | M2 occlusions (n=116) |
| Age (years), mean (SD) | 71 (15) |
| Female patients, n (%) | 73 (63) |
| NIHSS, median (IQR) | 12 (5–18) |
| Diabetes, n (%) | 34 (29) |
| Hypertension, n (%) | 99 (85) |
| Hyperlipidemia, n (%) | 66 (57) |
| Atrial fibrillation, n (%) | 48 (41) |
| Tobacco use, n (%) | 50 (43) |
| Onset to ER, (h:min), median (IQR) | 3:50 (1:59– 8:28) |
| ER to imaging (h:min), median (IQR) | 0:24 (0:15–1:14) |
| Transfer from another hospital, n (%) | 30 (26) |
| IV rtPA, n (%) | 28 (24) |
| Length of stay (days), median (IQR) | 65 (2–7) |
ER, emergency room; NIHSS, National Institute of Health Stroke Scale; rtPA, recombinant tissue plasminogen activator.