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Triage Modeling for Differential Diagnosis Between COVID-19 and Human Influenza A Pneumonia: Classification and Regression Tree Analysis.


ABSTRACT: Background: The coronavirus disease 2019 (COVID-19) pandemic has lasted much longer than an influenza season, but the main signs, symptoms, and some imaging findings are similar in COVID-19 and influenza patients. The aim of the current study was to construct an accurate and robust model for initial screening and differential diagnosis of COVID-19 and influenza A. Methods: All patients in the study were diagnosed at Fuyang No. 2 People's Hospital, and they included 151 with COVID-19 and 155 with influenza A. The patients were randomly assigned to training set or a testing set at a 4:1 ratio. Predictor variables were selected based on importance, assessed by random forest algorithms, and analyzed to develop classification and regression tree models. Results: In the optimal model A, the best single predictor of COVID-19 patients was a normal or high level of low-density lipoprotein cholesterol, followed by low level of creatine kinase, then the presence of <3 respiratory symptoms, then a highest temperature on the first day of admission <38°C. In the suboptimal model B, the best single predictor of COVID-19 was a low eosinophil count, then a normal monocyte ratio, then a normal hematocrit value, then a highest temperature on the first day of admission of <37°C, then a complete lack of respiratory symptoms. Conclusions: The two models provide clinicians with a rapid triage tool. The optimal model can be used to developed countries/regions and major hospitals, and the suboptimal model can be used in underdeveloped regions and small hospitals.

SUBMITTER: Xiao A 

PROVIDER: S-EPMC8382719 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Triage Modeling for Differential Diagnosis Between COVID-19 and Human Influenza A Pneumonia: Classification and Regression Tree Analysis.

Xiao Anling A   Zhao Huijuan H   Xia Jianbing J   Zhang Ling L   Zhang Chao C   Ruan Zhuoying Z   Mei Nan N   Li Xun X   Ma Wuren W   Wang Zhuozhu Z   He Yi Y   Lee Jimmy J   Zhu Weiming W   Tian Dajun D   Zhang Kunkun K   Zheng Weiwei W   Yin Bo B  

Frontiers in medicine 20210810


<b>Background:</b> The coronavirus disease 2019 (COVID-19) pandemic has lasted much longer than an influenza season, but the main signs, symptoms, and some imaging findings are similar in COVID-19 and influenza patients. The aim of the current study was to construct an accurate and robust model for initial screening and differential diagnosis of COVID-19 and influenza A. <b>Methods:</b> All patients in the study were diagnosed at Fuyang No. 2 People's Hospital, and they included 151 with COVID-1  ...[more]

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