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Evidence-Based Complementary and Alternative Medicine
Volume 2012, Article ID 563958, 11 pages
Research Article

Novel Diagnostic Model for the Deficient and Excess Pulse Qualities

Division of Constitutional Medicine Research, Korea Institute of Oriental Medicine, Daejeon 305-811, Republic of Korea

Received 5 May 2011; Revised 8 June 2011; Accepted 16 June 2011

Academic Editor: Carlo Ventura

Copyright © 2012 Jaeuk U. Kim et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The deficient and excess pulse qualities (DEPs) are the two representatives of the deficiency and excess syndromes, respectively. Despite its importance in the objectification of pulse diagnosis, a reliable classification model for the DEPs has not been reported to date. In this work, we propose a classification method for the DEPs based on a clinical study. First, through factor analysis and Fisher's discriminant analysis, we show that all the pulse amplitudes obtained at various applied pressures at Chon, Gwan, and Cheok contribute on equal orders of magnitude in the determination of the DEPs. Then, we discuss that the pulse pressure or the average pulse amplitude is appropriate for describing the collective behaviors of the pulse amplitudes and a simple and reliable classification can be constructed from either quantity. Finally, we propose an enhanced classification model that combines the two complementary variables sequentially.