Table 2.

Data from this review on the basic characteristics of the large intracranial arteries of 18 asymptomatic patients. With permission [91]

	ICA	VA	MCA	BA
Type of lesion, % (n/N)
Early	57 (17/30)	54 (15/28)	68 (19/28)	75 (24/32)
Advanced	33 (10/30)	25 (7/28)	25 (7/28)	16 (5/32)
High content of elastin fibers, % (n/N)	37 (11/30)	43 (12/28)	29 (8/28)	13 (4/32)
Continuous EEL, % (n/N)	17 (5/30)	79 (22/28)	21 (6/28)	9 (3/32)
Calcification, % (n/N)	20 (6/30)	18 (5/28)	14 (4/28)	9 (3/32)
Vasa vasorum, % (n/N)	53 (16/30)	43 (12/28)	11 (3/28)	16 (5/32)
Macrophages (mean ± SD), %	0.9±0.7	0.4±0.5	0.8±0.7	0.9±0.9