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Table 2: Baseline characteristics and comparability of the 2 stroke subgroups
Tandem Occlusion Related to Internal Carotid Dissection Group (n = 20) Isolated Intracranial Occlusion Group (n = 201) P Value
Age (yr) 52.5 66.9 <.001^{^a}
Sex <.05^{^a}
    Female 30% 53% 
    Male 70% 47% 
Hypertension 30% 59% <.01^{^a}
Smoking 29% 26% .78
Initial NIHSS score 17.53 17.55 .983
Initial DWI-ASPECTS 6.05 6.64 .098
Delay between stroke onset and arterial puncture (hr) 4.38 4.53 .704
Intravenous thrombolysis association 75% 68% .7
↵a Significant differences.

	Tandem Occlusion Related to Internal Carotid Dissection Group (n = 20)	Isolated Intracranial Occlusion Group (n = 201)	P Value
Age (yr)	52.5	66.9	<.001^{^a}
Sex			<.05^{^a}
Female	30%	53%
Male	70%	47%
Hypertension	30%	59%	<.01^{^a}
Smoking	29%	26%	.78
Initial NIHSS score	17.53	17.55	.983
Initial DWI-ASPECTS	6.05	6.64	.098
Delay between stroke onset and arterial puncture (hr)	4.38	4.53	.704
Intravenous thrombolysis association	75%	68%	.7