Table 2. Characteristics of burden, compositions, shape and location of carotid plaques between plaques with IPH and without IPH.

	Mean±SD or n (%)
	With IPH	Without IPH	P
	(n = 57)	(n = 124)
Plaque burden and compositions
Mean total vessel area	82.4±16.4	73.0±20.7	0.114
Stenosis	50.4±39.1	18.0±28.5	<0.001
Mean wall area	44.9±12.5	31.7±7.4	0.001
Maximum wall thickness	5.1±1.9	3.1±1.1	<0.001
Lipid-rich necrotic core	57 (100.0)	117 (94.3)	0.067
Calcification	44 (77.2)	79 (63.7)	0.071
Ulceration	12 (21.1)	4 (3.2)	<0.001
Shape of carotid plaque
Type-I	38 (66.7)	40 (32.2)	<0.001
Type-II	5 (8.8)	22 (17.7)	0.116
Type-III	14 (24.6)	62 (50.0)	0.001
Location of carotid plaque
Above bifurcation	41 (71.9)	60 (48.4)	0.003
Below bifurcation	16 (28.1)	64 (51.6)

IPH: intraplaque hemorrhage; SD: standard deviation