Ensemble machine learning approach for screening of coronary heart disease based on echocardiography and risk factors

• URL: http://arxiv.org/abs/2105.09670v1
• Date: Thu, 20 May 2021 11:04:58 GMT
• Title: Ensemble machine learning approach for screening of coronary heart disease based on echocardiography and risk factors
• Authors: Jingyi Zhang, Huolan Zhu, Yongkai Chen, Chenguang Yang, Huimin Cheng, Yi Li, Wenxuan Zhong, Fang Wang
• Abstract summary: We develop a machine learning approach that integrates a number of popular classification methods together by model stacking. We improve the CHD classification accuracy from around 70% to 87.7% on the testing set.
• Score: 19.076443235356873
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Background: Extensive clinical evidence suggests that a preventive screening of coronary heart disease (CHD) at an earlier stage can greatly reduce the mortality rate. We use 64 two-dimensional speckle tracking echocardiography (2D-STE) features and seven clinical features to predict whether one has CHD. Methods: We develop a machine learning approach that integrates a number of popular classification methods together by model stacking, and generalize the traditional stacking method to a two-step stacking method to improve the diagnostic performance. Results: By borrowing strengths from multiple classification models through the proposed method, we improve the CHD classification accuracy from around 70% to 87.7% on the testing set. The sensitivity of the proposed method is 0.903 and the specificity is 0.843, with an AUC of 0.904, which is significantly higher than those of the individual classification models. Conclusions: Our work lays a foundation for the deployment of speckle tracking echocardiography-based screening tools for coronary heart disease.

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