The use of neutrophil-to-lymphocyte ratio (NLR) as a marker for COVID-19 infection in Saudi Arabia

References

1. 1.↵
   1. Chen N
   2. Zhou M
   3. Dong X
   4. Qu J
   5. Gong F
   6. Han Y et al.

   Epidemiological and clinical characteristics of 99 cases of 2019 novel coronavirus pneumonia in Wuhan, China: a descriptive study. Lancet 2020; 395: 507–513.

   OpenUrlCrossRefPubMed
2. 2.↵
   1. Kerboua KE.

   NLR: A cost-effective nomogram to guide therapeutic interventions in COVID-19. Immunol Invest 2020; 50: 92–100.

   OpenUrl
3. 3.↵
   1. Guan W
   2. Ni Z
   3. Hu Y
   4. Liang W
   5. Ou C
   6. He J et al.

   Clinical characteristics of coronavirus disease 2019 in China. N Engl J Med 2020; 382: 1708–1720.

   OpenUrlCrossRefPubMed
4. 4.↵
   1. Xu Z
   2. Shi L
   3. Wang Y
   4. Zhang J
   5. Huang L
   6. Zhang C et al.

   Pathological findings of COVID-19 associated with acute respiratory distress syndrome. Lancet Respir Med 2020; 8: 420–422.

   OpenUrlPubMed
5. 5.↵
   1. Wang P
   2. Anderson N
   3. Pan Y
   4. Poon L
   5. Charlton C
   6. Zelyas N et al.

   The SARS-CoV-2 outbreak: diagnosis, infection prevention, and public perception. Clin Chem 2020; 66: 644–651.

   OpenUrl
6. 6.↵
   1. Wu Z
   2. McGoogan JM.

   Characteristics of and important lessons from the Coronavirus disease 2019 (COVID-19) outbreak in China. JAMA 2020; 323: 1239.

   OpenUrlCrossRefPubMed
7. 7.↵
   1. Huang Z
   2. Fu Z
   3. Huang W
   4. Huang K.

   Prognostic value of neutrophil-to-lymphocyte ratio in sepsis: a meta-analysis. Am J Emerg Med 2020; 38: 641–647.

   OpenUrl
8. 8.
   1. Templeton AJ
   2. McNamara MG
   3. Šeruga B
   4. Vera-Badillo FE
   5. Aneja P
   6. Ocaña A et al.

   Prognostic role of neutrophil-to-lymphocyte ratio in solid tumors: a systematic review and meta-analysis. J Natl Cancer Inst 2014; 106: dju124.
9. 9.↵
   1. Wang Y
   2. Ju M
   3. Chen C
   4. Yang D
   5. Hou D
   6. Tang X et al.

   Neutrophil-to-lymphocyte ratio as a prognostic marker in acute respiratory distress syndrome patients: a retrospective study. J Thorac Dis 2018; 10: 273–282.

   OpenUrl
10. 10.↵
    1. Liu J
    2. Liu Y
    3. Xiang P
    4. Pu L
    5. Xiong H
    6. Li C et al.

    Neutrophil-to-lymphocyte ratio predicts critical illness patients with 2019 coronavirus disease in the early stage. J Transl Med 2020; 18: 206.

    OpenUrlCrossRefPubMed
11. 11.↵
    Ministry of Health. Weqaya Saudi Center for Disease Prevention and Control. Coronavirus Disease 19 (COVID-19) Guidelines V1.1. [Updated 2020 February. 2020 September 21]. Available from URL: https://www.moh.gov.sa/CCC/healthp/regulations/Documents/Coronavirus Disease 2019 Guidelines v1.1..pdf
12. 12.↵
    1. Dolgin M

    , The Criteria Committee of the New York Heart Association. Nomenclature and criteria for diagnosis of diseases of the heart and great vessels. Nomenclature and Criteria for Diagnosis of Diseases of the Heart and Great Vessels. Boston NY: Little Brown; 1994.
13. 13.↵
    1. Sun S
    2. Cai X
    3. Wang H
    4. He G
    5. Lin Y
    6. Lu B et al.

    Abnormalities of peripheral blood system in patients with COVID-19 in Wenzhou, China. Clin Chim Acta 2020; 507: 174–180.

    OpenUrl
14. 14.↵
    1. Alsofayan YM
    2. Althunayyan SM
    3. Khan AA
    4. Hakawi AM
    5. Assiri AM.

    Clinical characteristics of COVID-19 in Saudi Arabia: A national retrospective study. J Infect Public Health 2020; 13: 920–925.

    OpenUrl
15. 15.↵
    1. Al-Omari A
    2. Alhuqbani WN
    3. Zaidi ARZ
    4. Al-Subaie MF
    5. AlHindi AM
    6. Abogosh AK et al.

    Clinical characteristics of non-intensive care unit COVID-19 patients in Saudi Arabia: A descriptive cross-sectional study. J Infect Public Health 2020; 13: 1639–644.

    OpenUrl
16. 16.↵
    1. Yi P
    2. Yang X
    3. Ding C
    4. Chen Y
    5. Xu K
    6. Ni Q et al.

    Risk factors and clinical features of deterioration in COVID-19 patients in Zhejiang, China: a single-centre, retrospective study. BMC Infect Dis 2020; 20: 943.

    OpenUrl
17. 17.↵
    1. Rosenthal N
    2. Cao Z
    3. Gundrum J
    4. Sianis J
    5. Safo S.

    Risk Factors Associated With In-Hospital Mortality in a US National Sample of Patients With COVID-19. JAMA Netw Open 2020; 3: e2029058.

    OpenUrlCrossRef
18. 18.↵
    1. Yufei Y
    2. Mingli L
    3. Xuejiao L
    4. Xuemei D
    5. Yiming J
    6. Qin Q et al.

    Utility of the neutrophil-to-lymphocyte ratio and C-reactive protein level for Coronavirus disease 2019 (COVID-19). Scand J Clin Lab Invest 2020; 80: 536–540.

    OpenUrl
19. 19.↵
    1. Chan AS
    2. Rout A.

    Use of neutrophil-to-lymphocyte and platelet-to-lymphocyte ratios in COVID-19. J Clin Med Res 2020; 12: 448–453.

    OpenUrl
20. 20.↵
    1. Tatum D
    2. Taghavi S
    3. Houghton A
    4. Stover J
    5. Toraih E
    6. Duchesne J.

    Neutrophil-to-lymphocyte ratio and outcomes in Louisiana COVID-19 Patients. Shock 2020; 54: 652–658.

    OpenUrl
21. 21.↵
    1. Liu Y
    2. Du X
    3. Chen J
    4. Jin Y
    5. Peng L
    6. Wang HHX et al.

    Neutrophil-to-lymphocyte ratio as an independent risk factor for mortality in hospitalized patients with COVID-19. J Infect 2020; 81: e6–e12.

    OpenUrl
22. 22.↵
    1. Zhang B
    2. Zhou X
    3. Zhu C
    4. Song Y
    5. Feng F
    6. Qiu Y et al.

    Immune phenotyping based on the neutrophil-to-lymphocyte ratio and IgG level predicts disease severity and outcome for patients with COVID-19. Front Mol Biosci 2020; 7: 157.

    OpenUrl
23. 23.↵
    1. Kong M
    2. Zhang H
    3. Cao X
    4. Mao X
    5. Lu Z.

    Higher level of Neutrophil-to-Lymphocyte is associated with severe COVID-19. Epidemiol Infect 2020; 148: e139.

    OpenUrl