Demographics comparing Group 1 and Group 2 patients
| Group 1 | Group 2 | p Value | |
|---|---|---|---|
| n | 22 | 61 | |
| Age in years, mean (min–max) | 74.2 (37–93) | 72.7 (19–98) | 0.6997 |
| % Female | 60% | 60% | 0.9995 |
| Admission NIHSS, median (min–max) | 16 (8–24) | 17 (4–32) | 0.8176 |
| Symptom onset to angiography (min), median (95% CI) | 197 (164 to 222) | 219.5 (198 to 257) | 0.8808 |
| Site of intracranial occlusion | |||
| M1 segment MCA | 77% (17/22) | 74% (45/61) | 0.99 |
| ICA | 23% (5/22) | 26% (16/61) | |
| Cervical ICA stenosis or occlusion | 14% (3/22) | 15% (9/61) | 0.99 |
| Treated with IV tPA | 77% (17/22) | 69% (42/61)) | 0.4552 |
ICA, internal carotid artery; MCA, middle cerebral artery; NIHSS, National Institute of Health Stroke Scale; tPA, tissue plasminogen activator.