Table 1.

Clinical characteristics

Characteristic	Isodense (n=25)	Hyperdense (n=42)	p Value
NIHSS	18.4	19.9	0.379
Age	73	67	0.186
Female	68% (17/25)	57% (24/42)	0.268
Received IV tPA	32% (8/25)	(36%) 15/42	0.797
Clot location			0.069
MCA	80% (20/25)	55% (23/42)
ICA	20% (5/25)	36% (15/42)
Basilar	0% (0/25)	10% (4/42)
CT density ratio	1.03	1.46	<0.001
Stroke etiology			0.063
Cardioembolic	80% (20/25)	69% (29/42)
Extracranial arterial disease	4% (1/25)	24% (10/42)
Intracranial arterial disease	4% (1/25)	0% (0/42)
Cryptogenic	12% (3/25)	7% (3/42)
Time to treatment (mean ± SEM)	455.2±53.1	394.1±37.6	0.341
Number of attempts (mean ± SEM)	2.52±0.64	2.88±0.48	0.361
Successful recanalization	36% (9/25)	79% (33/42)	0.001