Table 1.

Patient demographics.

Mean age (SD), yrs	75.7 (14.6)
Female sex, %	66
Thrombolysed, %	48
Prior stroke/transient ischemic attack, %	38
Hypertension, %	62
Diabetes mellitus, %	14
Atrial fibrillation, %	45
Cigarette smoker (current), %	12
Median NIHSS (IQR)	13 (14)
Median emergency department to MRI (IQR), h:mm	1:27 (0:53)
Median onset to MRI (IQR), h:mm	3:00 (1:54)
Median presenting lesion volume (IQR), ml	10.5 (26.2)
Median final infarct volume (IQR), ml	17.1 (52.2)

NIHSS: National Institute for Health stroke scale; SD: standard deviation; IQR: interquartile range.