Table 1.
Demographic data and clinical characteristics of the study population with ischemic stroke (n=1067)
| Demographics | |
| Mean age, years (SD) | 69.9 (14.2) |
| Sex, female (%) | 426 (39.9) |
| Median time from symptom onset to admission, min (IQR) | 184 (90–622) |
| Prior diseases, n (%) | |
| Ischemic stroke | 146 (13.9) |
| Myocardial infarction | 133 (12.5) |
| Hypertension | 565 (53.1) |
| Diabetes mellitus | 144 (13.6) |
| Atrial fibrillation | 270 (25.3) |
| Admission | |
| Median NIHSS (IQR) | 3 (1–7) |
| NIHSS >10 (%) | 109 (10.2) |
| Mean systolic BP, mmHg (SD) | 164.9 (27.9) |
| Mean diastolic BP, mmHg (SD) | 86.9 (17.0) |
| MR DWI lesion z at 24 h, n (%) | |
| Cortical | 319 (29.9) |
| Large subcortical | 79 (7.4) |
| Cortico-subcortical | 267 (25.0) |
| Lacunar | 184 (17.2) |
| Cerebellar | 45 (4.2) |
| Brain stem | 80 (7.5) |
| Multiple | 93 (8.7) |
| Time windows, n (%) | |
| Admitted within 6 h of stroke onset (%) | 425 (39.8) |
| Admitted after 6 h of stroke onset (%) | 235 (22.0) |
| Unknown time of stroke onset (%) | 407 (38.1) |
| MRA at 24 h, n (%) | |
| Performed MRA | 968 (90.7) |
| Proximal MCA occlusion | 62 (5.8) |
| No occlusions | 91(8.5) |
Abbreviations: SD, standard deviation; min, minutes; IQR, interquartile range; NIHSS, National Institutes of Health Stroke Scale; BP, blood pressure; MR, magnetic resonance; DWI, diffusion-weighted imaging; h, hours; MRA, magnetic resonance angiography; MCA, middle cerebral artery; h, hours.