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Introduction: From public health perspectives of COVID-19 pandemic, accurate estimates of infection severity of individuals are extremely valuable for the informed decision-making and targeted response to an emerging pandemic This paper presents machine learning based prognostic model for providing early warning to the individuals for COVID-19 infection using the healthcare dataset In the present work, a prognostic model using random forest classifier and support vector regression is developed for predicting the infection susceptibility probability (ISP) score of COVID-19, and it is applied on an open healthcare dataset containing 27 field values The typical fields of the healthcare dataset include basic personal details such as age, gender, number of children in the household, and marital status along with medical data like coma score, pulmonary score, blood glucose level, HDL cholesterol, etc An effective preprocessing method is carried out for handling the numerical and categorical values (non-numerical) and missing data in the healthcare dataset The correlation between the variables in the healthcare data is analyzed using the correlation coefficient, and heat map with a color code is used to identify the influencing factors on the infection susceptibility probability (ISP) score of COVID-19 Based on the accuracy, precision, sensitivity, and F-scores, it is noted that the random forest classifier provides an improved classification performance as compared to support vector regression for the given healthcare dataset Android-based mobile application software platform is developed using the proposed prognostic approach for enabling the healthy individuals to predict the susceptibility infection score of COVID-19 to take the precautionary measures Based on the results of the proposed method, clinicians and government officials can focus on the highly susceptible people for limiting the pandemic spread Methods: In the present work, random forest classifier and support vector regression techniques are applied to a medical healthcare dataset containing 27 variables for predicting the susceptibility score of an individual towards COVID-19 infection, and the accuracy of prediction is compared An effective preprocessing is carried for handling the missing data in the healthcare dataset Correlation analysis using heat map is carried on the healthcare data for analyzing the influencing factors of infection susceptibility probability (ISP) score of COVID-19 A confusion matrix is calculated for understanding the performance of classification based on the number of true-positives, true-negatives, false-positives, and false-negatives These values further used to calculate the accuracy, precision, sensitivity, and F-scores Results: From the classification results, it is noted that the random forest classifier provides a classification accuracy of 99 7%, precision of 99 8%, sensitivity of 98 8%, and F-score of 99 29% for the given medical dataset Conclusion: Proposed machine learning approach can help the individuals to take additional precautions for protecting people from the COVID-19 infection, and clinicians and government officials can focus on the highly susceptible people for limiting the pandemic spread © 2020, Sociedade Brasileira de Engenharia Biomedica
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