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ORIGINAL ARTICLE
Year : 2022  |  Volume : 11  |  Issue : 4  |  Page : 140-149

Different routine laboratory tests in assessment of COVID–19: A case–control study


1 Faculty of Medicine, University Ferhat Abbas Setif-1; Laboratory of Biotechnology and Genomics in Medical Sciences, Setif, Algeria
2 Faculty of Medicine, University Ferhat Abbas Setif-1; Central Laboratory, Setif Hospital, Setif, Algeria
3 Faculty of Medicine, University Ferhat Abbas Setif-1,; Unit of Pneumology, Setif Hospital, Setif, Algeria
4 Faculty of Medicine, University Ferhat Abbas Setif-1; Laboratory of Biotechnology and Genomics in Medical Sciences; Central Laboratory, Setif Hospital, Setif, Algeria

Correspondence Address:
Imene Adouani
Faculty of Medicine, University Ferhat Abbas Setif-1; Laboratory of Biotechnology and Genomics in Medical Sciences, Setif
Algeria
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Source of Support: This study received no extramural funding, Conflict of Interest: None


DOI: 10.4103/2221-6189.355311

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Objective: To identify helpful laboratory paprameters for the diagnosis and prognosis of COVID-19. Methods: An observational retrospective study was conducted to analyze the biological profile of COVID-19 patients hospitalized in the Unit of Pulmonology at Setif hospital between January and December 2021. Patients were divided into two groups: the infection group and the control group with patients admitted for other pathologies. The infected group was further divided according to the course of the disease into non-severe and severe subgroups. Clinical and laboratory parameters and outcomes of admitted patients were collected. Results: The infection group included 293 patients, of whom 237 were in the non-severe subgroup and 56 in the severe subgroup. The control group included 88 patients. The results showed higher white blood cells, neutrophils, blood glucose, urea, creatinine, transaminases, triglycerides, C-reactive protein, lactate dehydrogenase, and lower levels of lymphocyte, monocyte and platelet counts, serum sodium concentration, and albumin. According to ROC curves, urea, alanine aminotransferase, C-reactive protein, and albumin were effective diagnosis indices on admission while neutrophil, lymphocyte, monocyte, glycemia, aspartate aminotransferase, and lactate dehydrogenase were effective during follow-up. Conclusions: Some biological parameters such as neutrophil, lymphocyte, monocyte, glycemia, aspartate aminotransferase, and lactate dehydrogenase are useful for the diagnosis of COVID-19.


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