Final model explanation by the SHAP method
SHAP analysis was utilized to rank the contribution of eight imaging and non-imaging features in the final hybrid model to the diagnosis of VCI. The left plot demonstrates the mean absolute SHAP values, and the right plot illustrates the distribution of SHAP values. All features are sorted in descending order of the mean absolute SHAP values. SHAP, Shapley additive explanations; VCI, vascular cognitive impairment.