Objective To study the relationship of age with carotid artery plaques and luminal stenosis.Methods One hundred and sixty-five patients who underwent carotid artery ultrasonography in our hospital were divided into ischemic stroke(IS)group(n=100)and IS-free group(n=65)according to their clinical symptoms and ultrasonographic findings.Risk factors for their IS were analyzed.The patients were further divided into≤59 years old group(n=36),60-79 years old group(n=98)and ≥80 years old group(n=31).Their carotid a...