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Diagnostic accuracy of thoracic imaging modalities for the detection of COVID-19

World Journal of Radiology 2022年第2期14卷 47-49页

作者： haben dawit Marissa Absi Nayaar Islam Sanam Ebrahimzadeh Matthew D F McInnes Clinical Epidemiology Program Ottawa Hospital Research InstituteOttawa K1E4M9ONCanada Department of Radiology The Ottawa Hospital Research Institute Clinical Epidemiology ProgramOttawa K1H8L6ONCanada

The ongoing coronavirus disease 2019(COVID-19)pandemic continues to present diagnostic challenges.The use of thoracic radiography has been studied as a method to improve the diagnostic accuracy of COVID-19.The‘Living’Cochrane Systematic Review on the diagnostic accuracy of imaging tests for COVID-19 is continuously updated as new information becomes available for study.In the most recent version,published in March 2021,a meta-analysis was done to determine the pooled sensitivity and specificity of chest X-ray(CXR)and lung ultrasound(LUS)for the diagnosis of COVID-19.CXR gave a sensitivity of 80.6%(95%CI:69.1-88.6)and a specificity of 71.5%(95%CI:59.8-80.8).LUS gave a sensitivity rate of 86.4%(95%CI:72.7-93.9)and specificity of 54.6%(95%CI:35.3-72.6).These results differed from the findings reported in the recent article in this journal where they cited the previous versions of the study in which a metaanalysis for CXR and LUS could not be performed.Additionally,the article states that COVID-19 could not be distinguished,using chest computed tomography(CT),from other respiratory diseases.However,the latest review version identifies chest CT as having a specificity of 80.0%(95%CI:74.9-84.3),which is much higher than the previous version which indicated a specificity of 61.1%(95%CI:42.3-77.1).Therefore,CXR,chest CT and LUS have the potential to be used in conjunction with other methods in the diagnosis of COVID-19.

关键词： COVID-19 Chest x-ray Computed tomography Lung ultrasound Specificity and sensitivity Diagnostic accuracy

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