Table 3. A New Predictive Scoring System for Prolonged Hemodynamic Instability after Carotid Angioplasty and Stenting.

Variables	Points	Description
Plaque morphology	2	Calcification
	0	Without calcification
Plaque distribution	2	Extensive location
	0	Proximal or distal location
Type of stenosis	1	Eccentric features
	0	Concentric features
Total score	0-5