Objective To establish a predictive model for the risk factors for vascular cognitive impairment(VCI)using Bayesian network. Methods A total of 465 patients with cerebrovascular diseases were selected.A questionnaire survey was performed to collect the data on lifestyle and clinical factors,as well as the demographic data.The patients were randomly divided into training set(421patients)and test set(44patients)at a ratio of 10∶1,and the patients in the training set were further divided into non-VCI group(225...