Author: Pan, Yunbao; Ye, Guangming; Zeng, Xiantao; Liu, Guohong; Zeng, Xiaojiao; Jiang, Xianghu; Zhao, Jin; Chen, Liangjun; Guo, Shuang; Deng, Qiaoling; Hong, Xiaoyue; Yang, Ying; Li, Yirong; Wang, Xinghuan
Title: Can routine laboratory tests discriminate SARSâ€CoVâ€2â€infected pneumonia from other causes of communityâ€acquired pneumonia? Cord-id: fxv6yrib Document date: 2020_6_5
ID: fxv6yrib
Snippet: BACKGROUND: The clinical presentation of SARSâ€CoVâ€2â€infected pneumonia (COVIDâ€19) resembles that of other etiologies of communityâ€acquired pneumonia (CAP). We aimed to identify clinical laboratory features to distinguish COVIDâ€19 from CAP. METHODS: We compared the hematological and biochemical features of 84 patients with COVIDâ€19 at hospital admission and 221 patients with CAP. Parameters independently predictive of COVIDâ€19 were calculated by multivariate logistic regression. T
Document: BACKGROUND: The clinical presentation of SARSâ€CoVâ€2â€infected pneumonia (COVIDâ€19) resembles that of other etiologies of communityâ€acquired pneumonia (CAP). We aimed to identify clinical laboratory features to distinguish COVIDâ€19 from CAP. METHODS: We compared the hematological and biochemical features of 84 patients with COVIDâ€19 at hospital admission and 221 patients with CAP. Parameters independently predictive of COVIDâ€19 were calculated by multivariate logistic regression. The receiver operating characteristic (ROC) curves were generated and the area under the ROC curve (AUC) was measured to evaluate the discriminative ability. RESULTS: Most hematological and biochemical indexes of patients with COVIDâ€19 were significantly different from patients with CAP. Nine laboratory parameters were identified to be predictive of a diagnosis of COVIDâ€19. The AUCs demonstrated good discriminatory ability for red cell distribution width (RDW) with an AUC of 0.87 and hemoglobin with an AUC of 0.81. Red blood cell, albumin, eosinophil, hematocrit, alkaline phosphatase, and mean platelet volume had fair discriminatory ability. Combinations of any two parameters performed better than did the RDW alone. CONCLUSIONS: Routine laboratory examinations may be helpful for the diagnosis of COVIDâ€19. Application of laboratory tests may help to optimize the use of isolation rooms for patients when they present with unexplained febrile respiratory illnesses.
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