Table 3. Comparison of histological and CEUS parameters between asymptomatic patients and patients suffering from symptomatic ICA stenosis.

Variables	Symptomatic (n = 7)	Asymptomatic (n = 10)	p
intraplaque vessels/mm2	8.14 (4.33)	6.39 (4.70)	0.109
T cells/mm2	41.91 (23.69)	21.91 (16.51)	0.364
macrophage rich area in %	7.25 (4.31)	2.98 (1.00)	0.007
CEUS neovasculization grade I, n(%)	0(0)	0(0)	0.270
CEUS neovasculization grade II, n(%)	1(14.3)	5(50.0)
CEUS neovasculization grade III, n(%)	5(71.4)	4(40.0)
CEUS neovasculization grade IV, n(%)	1(14.3)	1(10.0)
CEUS neovasculization grade A, n(%)	1(14.3)	5(50.0)	0.230
CEUS neovasculization grade B, n(%)	6(85.7)	5(50.0)

Continuous variables are given as mean (SD). Categorical variables are presented as number (%).