Neutrophil-to-Lymphocyte Ratio as an Alternative Marker of Neonatal Sepsis in Developing Countries

Objectives: We sought to analyze the neutrophil-to-lymphocyte ratio (NLR) as an alternative marker of neonatal sepsis. Methods: In this cross-sectional study, we undertook consecutive sampling in all inborn neonates admitted to the Neonatal Intensive Care Unit with clinical manifestations of neonata...

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Main Authors: Khadijah Rizky Sumitro, Martono Tri Utomo, Agung Dwi Wahyu Widodo
Format: Article
Language:English
Published: Oman Medical Specialty Board 2021-01-01
Series:Oman Medical Journal
Subjects:
Online Access:http://omjournal.org/articleDetails.aspx?coType=1&aId=2820
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author Khadijah Rizky Sumitro
Martono Tri Utomo
Agung Dwi Wahyu Widodo
author_facet Khadijah Rizky Sumitro
Martono Tri Utomo
Agung Dwi Wahyu Widodo
author_sort Khadijah Rizky Sumitro
collection DOAJ
description Objectives: We sought to analyze the neutrophil-to-lymphocyte ratio (NLR) as an alternative marker of neonatal sepsis. Methods: In this cross-sectional study, we undertook consecutive sampling in all inborn neonates admitted to the Neonatal Intensive Care Unit with clinical manifestations of neonatal sepsis. Neonates with congenital anomalies and referred neonates were excluded. Complete blood count, C-reactive protein (CRP), and blood culture were carried out as the septic workup examinations based on the local Clinical Practical Guidelines. NLR is obtained by dividing the absolute count of neutrophils from lymphocytes manually. A cut-off value of NLR is obtained using a receiver operating characteristic curve. Results: The median NLR value of the 104 neonates who met the inclusion and exclusion criteria was 3.63 (2.39–6.12). Neonates with NLR of 2.12 have the area under the curve of 0.630 (95% confidence interval (CI): 0.528–0.741) and 0.725 (95% CI: 0.636–0.814) when combined with CRP = 2.70 mg/dL. Neonates with NLR ≥ 2.12 in clinical neotnatal sepsis had almost double the risk of providing positive blood culture results (relative risk = 1.867, 95% CI: 1.077–3.235; p =0.011). Conclusions: NLR, calculated from complete blood count, can be used as an alternative marker of easy and relatively inexpensive neonatal sepsis, especially in developing countries, and detection of proven neonatal sepsis to be better when combined with CRP.
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spelling doaj.art-8532829be959465d84b4ce7f6d37973e2022-12-21T22:57:32ZengOman Medical Specialty BoardOman Medical Journal1999-768X2070-52042021-01-01361e214e21410.5001/omj.2021.05Neutrophil-to-Lymphocyte Ratio as an Alternative Marker of Neonatal Sepsis in Developing CountriesKhadijah Rizky Sumitro0Martono Tri Utomo1Agung Dwi Wahyu Widodo2Department of Child Health, Faculty of Medicine, Universitas Airlangga- Dr. Soetomo Hospital, Surabaya, IndonesiaDepartment of Child Health, Faculty of Medicine, Universitas Airlangga- Dr. Soetomo Hospital, Surabaya, IndonesiaDepartment of Clinical Microbiology, Faculty of Medicine, Universitas Airlangga- Dr. Soetomo Hospital, Surabaya, IndonesiaObjectives: We sought to analyze the neutrophil-to-lymphocyte ratio (NLR) as an alternative marker of neonatal sepsis. Methods: In this cross-sectional study, we undertook consecutive sampling in all inborn neonates admitted to the Neonatal Intensive Care Unit with clinical manifestations of neonatal sepsis. Neonates with congenital anomalies and referred neonates were excluded. Complete blood count, C-reactive protein (CRP), and blood culture were carried out as the septic workup examinations based on the local Clinical Practical Guidelines. NLR is obtained by dividing the absolute count of neutrophils from lymphocytes manually. A cut-off value of NLR is obtained using a receiver operating characteristic curve. Results: The median NLR value of the 104 neonates who met the inclusion and exclusion criteria was 3.63 (2.39–6.12). Neonates with NLR of 2.12 have the area under the curve of 0.630 (95% confidence interval (CI): 0.528–0.741) and 0.725 (95% CI: 0.636–0.814) when combined with CRP = 2.70 mg/dL. Neonates with NLR ≥ 2.12 in clinical neotnatal sepsis had almost double the risk of providing positive blood culture results (relative risk = 1.867, 95% CI: 1.077–3.235; p =0.011). Conclusions: NLR, calculated from complete blood count, can be used as an alternative marker of easy and relatively inexpensive neonatal sepsis, especially in developing countries, and detection of proven neonatal sepsis to be better when combined with CRP.http://omjournal.org/articleDetails.aspx?coType=1&aId=2820infantnewbornneonatal sepsisneutrophilslymphocytesintensive care unitsneonatalc-reactive protein
spellingShingle Khadijah Rizky Sumitro
Martono Tri Utomo
Agung Dwi Wahyu Widodo
Neutrophil-to-Lymphocyte Ratio as an Alternative Marker of Neonatal Sepsis in Developing Countries
Oman Medical Journal
infant
newborn
neonatal sepsis
neutrophils
lymphocytes
intensive care units
neonatal
c-reactive protein
title Neutrophil-to-Lymphocyte Ratio as an Alternative Marker of Neonatal Sepsis in Developing Countries
title_full Neutrophil-to-Lymphocyte Ratio as an Alternative Marker of Neonatal Sepsis in Developing Countries
title_fullStr Neutrophil-to-Lymphocyte Ratio as an Alternative Marker of Neonatal Sepsis in Developing Countries
title_full_unstemmed Neutrophil-to-Lymphocyte Ratio as an Alternative Marker of Neonatal Sepsis in Developing Countries
title_short Neutrophil-to-Lymphocyte Ratio as an Alternative Marker of Neonatal Sepsis in Developing Countries
title_sort neutrophil to lymphocyte ratio as an alternative marker of neonatal sepsis in developing countries
topic infant
newborn
neonatal sepsis
neutrophils
lymphocytes
intensive care units
neonatal
c-reactive protein
url http://omjournal.org/articleDetails.aspx?coType=1&aId=2820
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AT martonotriutomo neutrophiltolymphocyteratioasanalternativemarkerofneonatalsepsisindevelopingcountries
AT agungdwiwahyuwidodo neutrophiltolymphocyteratioasanalternativemarkerofneonatalsepsisindevelopingcountries