TABLE 2.

Plaque characteristics of participants

	Total (N = 50)	without events (n = 38)	with events (n = 12)	p-value
Plaque echogenicity				0.041
Types Ⅰ and Ⅱ	29 (58.0)	19 (50.0)	10 (83.3)
Types Ⅲ and Ⅳ	21 (42.0)	19 (50.0)	2 (16.7)
CEUS				0.027
Grades 0 and 1	35 (70.0)	30 (78.9)	5 (41.7)
Grade 2	15 (30.0)	8 (21.1)	7 (58.3)
Degree of carotid stenosis				0.750
Mild and moderate stenosis	27 (54.0)	21 (55.3)	6 (50.0)
Severe stenosis	23 (46.0)	17 (44.7)	6 (50.0)

CEUS, contrast-enhanced ultrasound.

Numbers are presented as n (%).