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Diagrams showing potential influence factors for the occurrence of diffusion-weighted imaging (DWI) lesions after carotid stent placement.
A, Dependence between different age groups and DWI lesions was statistically significant (P = .01).
B, Trend toward lower rates of lesions with increasing experience of operators (n.s.).
C, Trend toward more DWI lesions with the use of segmented nitinol stents (Acculink) compared with Wallstents (n.s.).
