Construct an Optimal Triage Prediction Model: A Case Study of the Emergency Department of a Teaching Hospital in Taiwan

Authors:
Shen-Tsu Wang
Affiliations:
Department of Commerce Automation and Management, National Pingtung Institute of Commerce, Pingtung, Republic of China 900
Venue:
Journal of Medical Systems
Year:
2013

Citing 13
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Abstract

The purpose of triage is to prevent the delay of treatment for patients in real emergencies due to excessive numbers of patients in the hospital. This study uses the data of patients of consistent triage to develop the triage prediction model. By integrating Principal Component Analysis (PCA) and Support Vector Machine (SVM), the anomaly detection (overestimate and underestimate) prediction accuracy rate can be 100 %, which is better than the accuracy rate of SVM (about 89.2 %) or Back- propagation Neural Networks (BPNN) (96.71 %); afterwards, this study uses Support Vector Regression (SVR) to adopt Genetic Algorithm (GA) to determine three SVR parameters to predict triage. After using the scroll data predictive values, we calculate the Absolute Percentage Error (APE) of each scroll data. The resulting SVR's Mean Absolute Percentage Error (MAPE) is 3.78 %, and BPNN's MAPE is 5.99 %; therefore, the proposed triage prediction model of this study can effectively predict anomaly detection and triage.