Baseline characteristics of patients stratified by collaterals on CA (n=135)
| Characteristics | Good collaterals (n=75) | Poor collaterals (n=60) | p Value |
|---|---|---|---|
| Age, years, median (IQR) | 69 (58–77) | 69 (59–78) | 0.9 |
| Sex, male | 33 (44) | 34(56.6) | 0.1 |
| Hypertension | 55 (73.3) | 52 (86.6) | 0.086 |
| Diabetes | 12 (16) | 11 (18.3) | 0.8 |
| Smoke | 12 (16) | 16 (26.6) | 0.1 |
| Atrial fibrillation | 24 (32) | 20 (33.3) | 1.0 |
| Cardioembolic stroke | 35 (46.6) | 29 (48.3) | 0.8 |
| Large artery stroke | 26 (34.6) | 21 (35) | 1.0 |
| Tandem occlusion | 23 (30.6) | 35 (58.3) | 0.001 |
| MCA occlusion | 52 (69.3) | 23 (38.3) | 0.0005 |
| Baseline NIHSS, median (IQR) | 18 (4–23) | 20 (13–25) | 0.0001 |
| Baseline ASPECT, median (IQR) | 9 (2–10) | 7 (2–10) | 0.0001 |
| Onset to CA time, median (IQR) | 240 (202–285) | 225 (188–301) | 00.59 |
| IVT | 51.6 | 66.6 | 0.1 |
Values are n (%) unless indicated otherwise.
ASPECTS, Alberta Stroke Program in Early CT Score; CA, conventional angiography; IVT, IV thrombolysis; MCA, middle cerebral artery; NIHSS, National Institutes of Health Stroke Scale.