论文部分内容阅读
[目的]采用主成分分析法综合评价部分高危人群感染艾滋病、梅毒、丙肝和乙肝的危险性。[方法]采用哨点监测方法在各监测点采集监测对象血清标本进行HIV抗体、梅毒抗体、丙肝抗体、乙肝表面抗原检测。[结果]前2个主成分累积贡献率达到98.949%,被确定为主要成分,建立主成分函数表达式,分析主成分与原始变量之间的关系。[结论]运用主成分分析法可以消除原始变量间的信息重叠,合理、综合评价其风险性。
[Objective] To evaluate the risk of AIDS, syphilis, hepatitis C and hepatitis B infection in some high-risk groups by principal component analysis. [Method] The sentinel monitoring method was used to collect the serum samples from all the monitoring points for the detection of HIV antibody, syphilis antibody, hepatitis C antibody and hepatitis B surface antigen. [Results] The cumulative contribution rate of the first two principal components reached 98.949%, which was determined as the main component. The principal component function expression was established and the relationship between the principal components and the original variables was analyzed. [Conclusion] The principal component analysis method can eliminate the information overlap between the original variables, reasonably and comprehensively evaluate the risk.