Abstract
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Neutrophil-to-Lymphocyte Ratio as a Poor Prognostic Factor in Iranian COVID-19 Patients
by Ebrahim Kouhsari, Nourkhoda Sadeghifard, Mohammad Karimian, Hojjat Sayyadi, Ali Nazari, Ali A. Mozafari, Hossein Kazemian, Hassan Valadbeigi, Mohammad R. Kaffashian
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Background: We aimed to accumulate evidence that suggests the potential role of neutrophil-to-lymphocyte ratio (NLR) in determining the prognostic factor for COVID-19 patients.
Methods: A cohort of COVID-19 hospitalized patients at the Ilam University of Medical Sciences was analyzed. Logistic regression models were performed to identify the potential role of NLR in determining the prognostic factor for COVID-19 patients.
Results: The total number of in-hospital mortality was 43/328 (13.1%). Multivariate analysis identified that there was a 26% higher risk of in-hospital death for each unit increase in NLR (Odds ratio [OR] = 1.08; 95% confidence interval [95% CI], 1.01 to 1.14; p = 0.0147). Multivariate analysis identified that there was an 8% higher risk of in-hospital death for each unit increase in NLR (Odds ratio [OR] = 1.08; 95% confidence interval [95% CI], 1.01 to 1.14; p = 0.0147). Compared with patients in the NLR < 5 group, the NLR of patients in the NLR ≥ 5 group had a 16-fold higher risk of mortality (OR = 16.04; 95% CI, 1.14 to 224.95; p = 0.0395) after adjustment for potential confounders.
Conclusions: NLR is an independent risk factor of mortality COVID-19 patients.
DOI: 10.7754/Clin.Lab.2020.200726
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