Table 3:

Characteristics of neurovascular involvement

Involvement of Neurovascular Conflict	P Values			Contrast vs	Noncontrast
	Sym vs Asym	Sym vs Cntrl	Asym vs Cntrl
Artery alone	0.11	0.06	0.43	33.3%	81.1%
Artery involved	.005	<.001	.06	60.5%	68.5%
Vein alone	0.86	0.25	0.36	27.2%	67.6%
Vein involved	0.35	0.39	1	54.3%	55.0%
Mixed	0.13	0.007	0.11	27.2%	87.4%