Classification And Differentiation Between Kidney Yang And Yin Decficiency Syndromes In Tcm Based On Decision Tree Analysis Method
INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL MEDICINE(2016)
Abstract
The classification and differentiation between kidney Yang and Yin deficiency syndromes (KDS-YANG and KDS-YIN) in traditional Chinese medicine (TCM) was performed with the approaches of decision tree as well as logistic regression analysis. A clinical epidemiology study on 44 symptoms, 5 tongue signs and 2 pulse signs (TCM diagnostic features) was conducted among 2,765 patients with KDS. Accordingly, an effective syndrome-identifying model on KDS-YANG and KDS-YIN was established. The results indicated that in terms of statistical significance (P < 0.05) of the cases with the above two different syndromes, the diagnostic indicators such as 11 symptoms, 2 tongue signs, and 1 pulse signs was found out by logistic regression analysis. The accurate rate of differentiating KDS-YANG and KDS-YIN was proved to be 88.0%. What's more, four symptoms-aversion to cold, cold limbs, pale tongue, deep and thread pulse-were confirmed to be the most significant variables, which was beneficial for the syndrome differentiation. The decision tree analysis model was an effective approach to differentiate KDS-YANG and KDS YIN, which could be helpful to change the syndrome-diagnosing method from experience-based to datamodel based.
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Key words
Syndrome differentiation, kidney deficiency syndrome, kidney yin deficiency syndrome, kidney yang deficiency syndrome, decision tree
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