[Retracted] Atherosclerosis Vascular Endothelial Secretion Dysfunction and Smooth Muscle Cell Proliferation

Table 1

Distribution of intracranial and extracranial artery stenosis in different age groups.

	No arterial stenosis	Intracranial stenosis	Extracranial stenosis	Intracranial combined extracranial
Youth group	12	16	3	8
Middle age group	123	178	16	58
Elderly group	56	70	10	50