摘要
目的:应用主成分分析方法对HIV/AIDS患者中医四诊信息进行分析。方法:采用多阶段整群抽样的方法,抽取中部某省的1279例HIV/AIDS患者,对调查对象中医四诊信息指标进行主成分分析。结果:主成分分析将中医四诊信息中33个指标成功降维,综合成16个主成分;其中第1主成分贡献率为20.049%,前16个主成分的累积贡献率为70.655%。结论:主成分分析可以对中医四诊指标进行降维、综合,有良好的应用前景。
Aim:To explore the application value of four diagnostic methods of TCM of HIV/AIDS patients by principal components analysis.Methods:Multistage cluster sampling was used to randomly select 1 279 cases of HIV/AIDS patients from a province in the middle of China.The index of four diagnostic methods of TCM was analyzed by principal component analysis with SPSS13.0.Results:33 index of four diagnostic methods of TCM were reduced to 16 principal components,and the first principal component accounted for 20.049% o...
出处
《郑州大学学报(医学版)》
CAS
北大核心
2007年第4期679-682,共4页
Journal of Zhengzhou University(Medical Sciences)
基金
国家"十五"科技攻关课题2004BA719A13
关键词
主成分分析
艾滋病
中医四诊
principal components analysis
AIDS
four diagnostic methods of TCM