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Which hematological markers have predictive value as early indicators of severe COVID-19 cases in the emergency department?
San, Ishak; Gemcioglu, Emin; Davutoglu, Mehmet; Çatalbas, Ramis; Karabuga, Berkan; Kaptan, Enes; Erden, Abdulsamet; Küçüksahin, Orhan; Ates, Ihsan; Karaahmetoglu, Selma; Hasanoglu, Imran; Inan, Osman; Ünal, Büsra Nur; Erdemir, Ecem; Kahraman, Fatih Ahmet; Güner, Rahmet.
  • San I; Department of Emergency, Faculty of Medicine, University of Health Sciences, Ankara, Turkey.
  • Gemcioglu E; Department of Internal Medicine, Ankara City Hospital, Ankara, Turkey.
  • Davutoglu M; Department of Internal Medicine, Faculty of Medicine, Yildirim Beyazit University, Ankara, Turkey.
  • Çatalbas R; Department of Internal Medicine, Faculty of Medicine, Yildirim Beyazit University, Ankara, Turkey.
  • Karabuga B; Department of Internal Medicine, Faculty of Medicine, Yildirim Beyazit University, Ankara, Turkey.
  • Kaptan E; Department of Internal Medicine, Faculty of Medicine, Yildirim Beyazit University, Ankara, Turkey.
  • Erden A; Division of Rheumatology, Department of Internal Medicine,Ankara City Hospital, Ankara, Turkey.
  • Küçüksahin O; Division of Rheumatology, Department of Internal Medicine, Faculty of Medicine, Yildirim Beyazit University, Ankara, Turkey.
  • Ates I; Department of Internal Medicine, Ankara City Hospital, Ankara, Turkey.
  • Karaahmetoglu S; Department of Internal Medicine, Ankara City Hospital, Ankara, Turkey.
  • Hasanoglu I; Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Yildirim Beyazit University, Ankara, Turkey.
  • Inan O; Department of Internal Medicine, Ankara City Hospital, Ankara, Turkey.
  • Ünal BN; Department of Internal Medicine, Ankara City Hospital, Ankara, Turkey.
  • Erdemir E; Department of Internal Medicine, Ankara City Hospital, Ankara, Turkey.
  • Kahraman FA; Department of Emergency, Faculty of Medicine, Yildirim Beyazit University, Ankara, Turkey.
  • Güner R; Department of Emergency, Faculty of Medicine, University of Health Sciences, Ankara, Turkey.
Turk J Med Sci ; 51(6): 2810-2821, 2021 12 13.
Article in English | MEDLINE | ID: covidwho-1138800
ABSTRACT
Background/

aim:

Coronavirus 2019 disease (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is a pandemic infectious disease that causes morbidity and mortality. As a result of high mortality rate among the severe COVID-19 patients, the early detection of the disease stage and early effective interventions are very important in reducing mortality. Hence, it is important to differentiate severe and nonsevere cases from each other. To date, there are no proven diagnostic or prognostic parameters that can be used in this manner. Due to the expensive and not easily accessible tests that are performed for COVID-19, researchers are investigating some parameters that can be easily used. In some recent studies, hematological parameters have been evaluated to see if they can be used as predictive parameters. Materials and

methods:

In the current study, almost all hematological parameters were used, including the neutrophil/lymphocyte ratio, platelet/lymphocyte ratio, monocyte/lymphocyte ratio, mean platelet volume to lymphocyte ratio, mean platelet volume to platelet ratio, plateletcrit, and D-dimer/fibrinogen ratio, neutrophil/lymphocyte/platelet scoring system, and systemic immune-inflammation index. A total of 750 patients, who were admitted to Ankara City Hospital due to COVID-19, were evaluated in this study. The patients were classified into 2 groups according to their diagnosis (confirmed or probable) and into 2 groups according to the stage of the disease (nonsevere or severe).

Results:

The values of the combinations of inflammatory markers and other hematological parameters in all of the patients with severe COVID-19 were calculated, and the predicted values of these parameters were compared. According to results of the study, nearly all of the hematological parameters could be used as potential diagnostic biomarkers for subsequent analysis, because the area under the curve (AUC) was higher than 0.50, especially for the DFR and NLR, which had the highest AUC among the parameters.

Conclusion:

Our findings indicate that, the parameters those enhanced from complete blood count, which is a simple laboratory test, can help to identify and classify COVID-19 patients into non-severe to severe groups.
Subject(s)
Keywords

Full text: Available Collection: International databases Database: MEDLINE Main subject: Biomarkers / Emergency Service, Hospital / COVID-19 / Hematologic Tests Type of study: Diagnostic study / Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Limits: Adult / Aged / Female / Humans / Male / Middle aged Country/Region as subject: Asia Language: English Journal: Turk J Med Sci Year: 2021 Document Type: Article Affiliation country: Sag-2008-6

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Biomarkers / Emergency Service, Hospital / COVID-19 / Hematologic Tests Type of study: Diagnostic study / Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Limits: Adult / Aged / Female / Humans / Male / Middle aged Country/Region as subject: Asia Language: English Journal: Turk J Med Sci Year: 2021 Document Type: Article Affiliation country: Sag-2008-6