Table 1.

The Total Plaque Risk Score (TPRS)

Parameter		Score = 0	Score = 1	Score = 2	Score = 3
I)	Degree of stenosis	< 40% (NASCET)	≥ 40% (NASCET)
II)	Echogenicity		Low echogenicity or echolucency	Intermediate echogenicity	Hyper-echogenicity
III)	Texture	Homogeneous	Heterogeneous
IV)	Surface	Smooth	Irregular