1. Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, China 2. National Data Center of Traditional Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, China 3. Qingdao Hiser Hospital, Qingdao 266033, China 4. Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing 100700, China 5. China Academy of Chinese Medical Sciences, Beijing 100700, China
Traditional Chinese patent medicines are widely used to treat stroke because it has good efficacy in the clinical environment. However, because of the lack of knowledge on traditional Chinese patent medicines, many Western physicians, who are accountable for the majority of clinical prescriptions for such medicine, are confused with the use of traditional Chinese patent medicines. Therefore, the aid-decision method is critical and necessary to help Western physicians rationally use traditional Chinese patent medicines. In this paper, Manifold Ranking is employed to develop the aid-decision model of traditional Chinese patent medicines for stroke treatment. First, 115 stroke patients from three hospitals are recruited in the cross-sectional survey. Simultaneously, traditional Chinese physicians determine the traditional Chinese patent medicines appropriate for each patient. Second, particular indicators are explored to characterize the population feature of traditional Chinese patent medicines for stroke treatment. Moreover, these particular indicators can be easily obtained by Western physicians and are feasible for widespread clinical application in the future. Third, the aid-decision model of traditional Chinese patent medicines for stroke treatment is constructed based on Manifold Ranking. Experimental results reveal that traditional Chinese patent medicines can be differentiated. Moreover, the proposed model can obtain high accuracy of aid decision.
. [J]. Frontiers of Medicine, 2017, 11(3): 432-439.
Yufeng Zhao, Bo Liu, Liyun He, Wenjing Bai, Xueyun Yu, Xinyu Cao, Lin Luo, Peijing Rong, Yuxue Zhao, Guozheng Li, Baoyan Liu. A novel classification method for aid decision of traditional Chinese patent medicines for stroke treatment. Front. Med., 2017, 11(3): 432-439.
Inputs Similarity matrix of patients Initial weight probability matrix for all medicine classes Outputs Final weight probability matrix Procedure Step 1: Collecting the similarity matrix of the patients Step 2: Normalizing the similarity matrix with Eq. (2) where is a diagonal matrix and is the sum of the row of the weight probability matrix Step 3: Iterating Eq. (3) until the converged solution is achieved where t is the number of iteration , and is the initial weight probability matrix Step 4: Deciding the initial medicine list of each patient based on the final weight probability matrix
Tab.4
Parameters of models
Results
Number of training data
80
Number of testing data
35
Average precision of medicine
85.79%
Average recall of medicine
61.44%
Average precision of patients
62.69%
Tab.5
Fig.3
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