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Prediction of COVID-19 Severity Using Chest Computed Tomography and Laboratory Measurements: Evaluation Using a Machine Learning Approach.


ABSTRACT: BACKGROUND:Most of the mortality resulting from COVID-19 has been associated with severe disease. Effective treatment of severe cases remains a challenge due to the lack of early detection of the infection. OBJECTIVE:This study aimed to develop an effective prediction model for COVID-19 severity by combining radiological outcome with clinical biochemical indexes. METHODS:A total of 46 patients with COVID-19 (10 severe, 36 nonsevere) were examined. To build the prediction model, a set of 27 severe and 151 nonsevere clinical laboratory records and computerized tomography (CT) records were collected from these patients. We managed to extract specific features from the patients' CT images by using a recently published convolutional neural network. We also trained a machine learning model combining these features with clinical laboratory results. RESULTS:We present a prediction model combining patients' radiological outcomes with their clinical biochemical indexes to identify severe COVID-19 cases. The prediction model yielded a cross-validated area under the receiver operating characteristic (AUROC) score of 0.93 and an F1 score of 0.89, which showed a 6% and 15% improvement, respectively, compared to the models based on laboratory test features only. In addition, we developed a statistical model for forecasting COVID-19 severity based on the results of patients' laboratory tests performed before they were classified as severe cases; this model yielded an AUROC score of 0.81. CONCLUSIONS:To our knowledge, this is the first report predicting the clinical progression of COVID-19, as well as forecasting severity, based on a combined analysis using laboratory tests and CT images.

SUBMITTER: Li D 

PROVIDER: S-EPMC7674140 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Prediction of COVID-19 Severity Using Chest Computed Tomography and Laboratory Measurements: Evaluation Using a Machine Learning Approach.

Li Daowei D   Zhang Qiang Q   Tan Yue Y   Feng Xinghuo X   Yue Yuanyi Y   Bai Yuhan Y   Li Jimeng J   Li Jiahang J   Xu Youjun Y   Chen Shiyu S   Xiao Si-Yu SY   Sun Muyan M   Li Xiaona X   Zhu Fang F  

JMIR medical informatics 20201117 11


<h4>Background</h4>Most of the mortality resulting from COVID-19 has been associated with severe disease. Effective treatment of severe cases remains a challenge due to the lack of early detection of the infection.<h4>Objective</h4>This study aimed to develop an effective prediction model for COVID-19 severity by combining radiological outcome with clinical biochemical indexes.<h4>Methods</h4>A total of 46 patients with COVID-19 (10 severe, 36 nonsevere) were examined. To build the prediction mo  ...[more]

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