世界各国研究脑卒中常用单因素人群归因危险度的估算方法，不能有效控制混杂因素，因素间交互作用以及人群对危险因素的联合暴露，而采用多元统计方法直接估算多病因疾病的人群归因危险度更具有实际意义。１对象与方法：天津医科大学总医院及其所属分院的脑内科住院病人... In countries all over the world, stroke risk factors commonly used in stroke estimation can not effectively control confounding factors, interaction between factors and co-exposure of risk factors in people. Multivariate statistical method is used to directly estimate the attribution of people with multi-cause disease The degree of risk is more practical. 1  object and methods: General Hospital of Tianjin Medical University and its branches in the Department of Neurology inpatient ...