A comparative study of the laboratory features of COVID-19 and other viral pneumonias in the recovery stage

Journal of Clinical Laboratory Analysis
Guolian ZhaoMing Yang

Abstract

Clinical recovery does not mean full recovery. It is necessary to explore the aftereffects of COVID-19 in patients and compare the laboratory features of COVID-19 and other viral pneumonias in the recovery stages. Forty-seven cases of COVID-19 and 45 cases of other viral pneumonias (control) were included in this study. The laboratory parameters were compared between COVID-19 and control patients as well as severe and moderate COVID-19 patients from the clinical recovery stage to the 4 weeks postdischarge recovery stage. A higher RDW-CV level and neutrophil percentage and lower levels of total proteins, lymphocytes, eosinophils, and MCH were found in COVID-19 patients compared with those in controls from the clinical recovery to the postdischarge recovery stages. Further analysis showed that decreases in lymphocytes, total proteins, and SOD and elevations in neutrophils, FDP, CRP, and ESR were more common in severe than moderate cases of COVID-19 during hospitalization; however, differences in these indicators, except total proteins, were not observed in the postdischarge recovery stages. Additionally, only 76.9% of COVID-19 patients were positive for IgG antibodies against SARS-CoV-2 in the convalescence stage, and one patient...Continue Reading

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Citations

Dec 7, 2020·The Journal of Infectious Diseases·Eleonora PetitoUNKNOWN COVIR study investigators
Mar 16, 2021·Annals of Internal Medicine·Irina Arkhipova-JenkinsKatherine Mackey
Jun 4, 2021·Journal of Clinical Laboratory Analysis·Xinhang WangLizhou Chen
Jun 22, 2021·Pattern Recognition·Pablo VieiraRomuere Silva

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Methods Mentioned

BETA
flow cytometry

Software Mentioned

PNEUMOSLIDE
GraphPad Prism
SPSS

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