Table 1. Clinical characteristics of patients.
| Total | Subgroup without reperfusion at days 3–5 | |
|---|---|---|
| Number | 88 | 30 |
| Age, years, mean (s.d.) | 71.0 (13.4) | 67.4 (14.1) |
| Gender, n (%), male | 39 (44%) | 12 (40%) |
| Baseline NIHSS, median (IQR) | 14 (9–18) | 17 (9–18.25) |
| Day 3–5 NIHSS, median (IQR) | 9 (4–18) | 16.5 (10–21.5) |
| Diabetes, n (%) | 19 (22%) | 9 (30%) |
| Smoking, n (%) | 31 (35%) | 7 (23%) |
| Atrial fibrillation, n (%) | 38 (43%) | 10 (33%) |
| tPA | 44 (50%) | 8 (27%) |
| Baseline diffusion lesion volume, mL, mean (s.d.) | 41.3 (47.5) | 58.7 (62.3) |
| Baseline Tmax>6 seconds perfusion volume, ml, mean (s.d.) | 102 (83.9) | 144 (77.4) |
| Site of vessel occlusion | ||
| Internal carotid artery | 24 | 19 |
| Proximal middle cerebral artery (M1) | 31 | 9 |
| Distal middle cerebral artery (M2-3) | 15 | 1 |
| Anterior cerebral artery | 4 | 1 |
| Posterior cerebral artery | 1 | 0 |
| Middle cerebral artery territory with occlusion too distal to be resolved with MRA | 13 | 0 |
IQR, interquartile range; MRA, magnetic resonance angiography; NIHSS, National Institutes of Health Stroke Scale; tPA, tissue plasminogen activator.