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Caspian J Intern Med 2020, 11 - Covid 19 Supplement 1: 531-535 Back to browse issues page
Neutrophil-to-Lymphocyte and Platelet-to-Lymphocyte Ratios in COVID-19 Patients and Control Group and Relationship with Disease Prognosis
Mohammad Eslamijouybari , Keyvan Heydari ,  Iradj Maleki , Mahmood Moosazadeh , Akbar Hedayatizadeh-Omran , Lale Vahedi , Roya Ghasemian , Ali Sharifpour , Reza Alizadeh-Navaei *
Gastrointestinal Cancer Research Center, Non-Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran , reza_nava@yahoo.com
Abstract:   (2897 Views)
Background: The present study aimed to compare the complete blood count (CBC) indices between COVID-19 patients and the control group, and assess the relationship of these indices with COVID-19 prognosis given the role of complete blood counts in the COVID-19 prognosis.
Methods: COVID-19 patients (confirmed by PCR or CT-Scan) who visited Imam Hospital in Sari were selected in this case-control study. The control group was selected from Tabari cohort population who were matched with the case group in terms of gender and age. CBC, neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and outcome of the disease (in the case group) were assessed in this study.
Results: The number of participants in the case and control groups was 527. Of these, 464 (44%) were females. Platelet count, lymphocyte count, and hemoglobin concentration were also higher in the control group (p = 0.000). NLR and PLR were significantly higher in COVID-19 patients compared to the control group (P = 0.000). NLR had a significant relationship with severity of the disease. NLR was two times higher in the patients who died of COVID-19 than those who recovered (P = 0.000). ROC curve analysis for diagnostic values of NLR and PLR showed that the areas under the ROC curves for NLR and PLR were 0.703 (95% CI: 0.64-0.76) and 0.535 (95% CI: 0.46-06) respectively.
Conclusion: NLR can be used as a prognostic marker for COVID-19 given the significant difference of NLR between those died and recovered from COVID-19.
Keywords: Neutrophil-to-Lymphocyte ratio, Platelet-to-Lymphocyte ratio, COVID-19, Prognosis
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Type of Study: Original Article | Subject: Infectious Diseases
Received: 2020/07/9 | Accepted: 2020/09/7 | Published: 2020/10/19
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Eslamijouybari M, Heydari K, Maleki  , Moosazadeh M, Hedayatizadeh-Omran A, Vahedi L, et al . Neutrophil-to-Lymphocyte and Platelet-to-Lymphocyte Ratios in COVID-19 Patients and Control Group and Relationship with Disease Prognosis. Caspian J Intern Med. 2020; 11 :531-535
URL: http://caspjim.com/article-1-2414-en.html


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Volume 11 - Covid 19 Supplement 1 Back to browse issues page
Caspian Journal of Internal Medicine
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