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基于统计深度函数法的心电图P波振幅多元参考值范围
王玖1,孙红卫1,高永2,徐天和2
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(1. 滨州医学院卫生统计学与流行病学教研室,烟台 264003; 2. 滨州医学院医院统计研究所,烟台 264003)
摘要:
[摘要]目的本研究试图从多指标关联性出发,建立心电图指标的多元参考值范围。方法采用统计深度函数MHD法,以某校777名女大学生为样本,以心电图P波振幅为例建立心电图指标的多元参考值范围。结果通过计算得到其P波振幅12导联95%的参考值范围为统计深度Depth≥0.035 521 6。结论本文所得的心电图指标的多元参考值范围,将丰富的心电图数据加以综合利用,可为心电图临床诊断提供参考依据。
关键词:  心电描记术  P波振幅  多元参考值范围  统计深度函数
DOI:10.3724/SP.J.1008.2010.01215
投稿时间:2010-06-15修订日期:2010-10-16
基金项目:山东省科学技术发展计划(2005GG3202163).
Establishment of multivariate reference range of P-wave amplitude based on depth function
WANG Jiu1 , SUN Hong-wei1 , GAO Yong2 , XU Tian-he2
(1. Department of Health Statistics and Epidemiology, Binzhou Medical University, Yantai 264003, Shandong, China; 2. Institute of Hospital Statistics, Binzhou Medical University, Yantai 264003, Shandong, China)
Abstract:
[Abstract]ObjectiveTo establish a multivariate reference range for ECG while considering the relation between multiple variables. MethodsA total of 777 female undergraduates in a university were taken as the subjects and the P-wave amplitude was taken as an example to establish a multivariate reference range for P-wave amplitude by using Mahalanobis Depth Function. MethodsP-wave amplitude of the female undergraduates was established as follows: for a 95% CI of multivariate reference range,Depth≥0.035 521 6. MethodsMultivariate reference range for ECG obtained in this study allows for a comprehensive utilization of the ECG data and can help the clinical diagnosis using ECG.
Key words:  electrocardiography  P-wave amplitude  multivariate reference range  Mahalanobis depth function