Abstract
Objective To establish a multivariate reference range for ECG while considering the relation between multiple variables.Methods A 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.Results P-wave amplitude of the female undergraduates was established as follows:for a 95% CI of multivariate reference range,Depth≥0.035 521 6.Conclusion Multivariate 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.
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