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The role of biomarkers in diagnosis of COVID-19 – A systematic review

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Kermali, Muhammed, Khalsa, Raveena Kaur, Pillai, Kiran, Ismail, Zahra, Harky, Amer·2020·Life Sciences

Abstract

Aims As of the 28th April 2020, the COVID-19 pandemic has infiltrated over 200 countries and affected over three million confirmed people. We review different biomarkers to evaluate if they are able to predict clinical outcomes and correlate with the severity of COVID-19 disease. Methods A systematic review of the literature was carried out to identify relevant articles using six different databases. Keywords to refine the search included ‘COVID-19’, ‘SARS-CoV2’, ‘Biomarkers’, among others. Only studies which reported data on pre-defined outcomes were included. Key findings Thirty-four relevant articles were identified which reviewed the following biomarkers: C-reactive protein, serum amyloid A, interleukin-6, lactate dehydrogenase, neutrophil-to-lymphocyte ratio, D-dimer, cardiac troponin, renal biomarkers, lymphocytes and platelet count. Of these, all but two, showed significantly higher levels in patients with severe complications of COVID-19 infection compared to their non-severe counterparts. Lymphocytes and platelet count showed significantly lower levels in severe patients compared to non-severe patients. Significance Although research is still in its early stages, the discovery of how different biomarkers behave during the course of the disease could help clinicians in identifying severe disease earlier and subsequently improve prognosis. Nevertheless, we urge for more research across the globe to corroborate these findings.

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Metadata

Authors
Kermali, M., Khalsa, R. K., Pillai, K., Ismail, Z., & Harky, A.
Venue
Life Sciences
Publisher
Elsevier BV
Published
2020-08
Volume
254
Pages
117788
ISSN
0024-3205 (ISSN-L)
OpenAlex
W3025069580
Cited by
687
References
54
FWCI
8.47
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: The role of biomarkers in diagnosis of COVID-19 – A systematic review. https://app.cochat.ai/papers/10.1016/j.lfs.2020.117788
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Kermali, M., Khalsa, R. K., Pillai, K., Ismail, Z., & Harky, A. (2020). The role of biomarkers in diagnosis of COVID-19 – A systematic review. Life Sciences. https://doi.org/10.1016/j.lfs.2020.117788

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