Fig. 2From: Clinical features and the degree of cerebrovascular stenosis in different types and subtypes of cerebral watershed infarctionComparison of the incidence of critical internal carotid artery (ICA) stenosis among different types of WSI. The incidence of critical stenosis of ICA differed among three groups of WSI (P = 0.001), more patients in the IWI group were found to have critical ICA stenosis than those in the CWI group (43.80% versus 19.60%; P < 0.001)Back to article page