Fig. 4From: Clinical features and the degree of cerebrovascular stenosis in different types and subtypes of cerebral watershed infarctionComparison of the incidence of critical ICA stenosis between different subtypes of IWI. Critical ICA stenosis was more common in the P-IWI subgroup than in the C-IWI subgroup (44.10% versus 30.40%; P = 0.026)Back to article page