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为准确地对中风高危人群进行预防，应用自行设计的定量评估中风危险度的积分方法，于１９９０～１９９３年在中风发病率不同的２２个地区的５５万框架人群中筛选中风高危人群，并对中风相关因素进行主成分分析。结果显示积分值与中风的几率呈正相关，表明该积分方法客观可行；第一主成分与年龄、血压、血糖、胆固醇、身体质量指数等呈正相关，代表了中风高危人群的特征，发生中风者的７１．４３％分布在第一主成分分类之中，该分类人群在社区人群中所占的比例与其所在地区中风发病率呈正相关，故该人群是预防中风的重点对象。
In order to accurately prevent stroke at high risk, a self-designed quantitative method for assessing the risk of stroke was used to screen high-risk groups at risk for stroke in 5.5 million people in 22 regions with different incidence of stroke from 1990 to 1993. Stroke-related factors for the principal component analysis. The results showed that the integral value was positively correlated with the risk of stroke, indicating that the integral method was objective and feasible. The first principal component was positively correlated with age, blood pressure, blood glucose, cholesterol and body mass index, which represented the characteristics of high risk stroke population. 71.43% are distributed in the first principal component classification. The proportion of the population in the community is positively correlated with the incidence of stroke in their area, so the population is the key target of prevention of stroke.