Table 1:

Clinical and imaging characteristics (n=103).

Age, years	68 ± 16
Female	63%
Pre-stroke mRS, median (IQR)	0 (0–1)
Hypertension	74%
Atrial fibrillation	34%
Diabetes	20%
Coronary disease	20%
Transient ischemic attack	16%
Smoking	17%
Presenting NIHSS, median (IQR)	16 (12–19)
Intravenous alteplase	48%
LKW-to-MRI, min	369 ± 277
Infarct volume	29 ± 30
Infarct FLAIR hyperintensity
Absent	25%
Subtle	55%
Obvious	20%

All the data represent mean ± standard deviation unless otherwise indicated. IQR interquartile range, mRS modified Rankin Scale, NIHSS National Institutes of Health Stroke Scale, LKW last known well.