Original Research Paper
Neutrophil-to-lymphocyte Ratio: A Prognostic Predictor Of Covid-19 Infection.
Dr. Aisha Lakhani, Dr. Kajal Mitra, Dr. Avinash Dhok
Background : COVID-19 infection requires an easily accessible yet precise variable for diagnosis and prognosis. This study aims to describe the predictive value of the Neutrophil-to-Lymphocyte Ratio (NL Ratio) for COVID-19 diagnosis and deteriorating clinical course, which has not been extensively demonstrated.Objective :To determine the correlation of the NL ratio and CT severity score(CTSS) with the lung injury severity in adult patients having COVID-19 infection.Materials and Methods:A retrospective study at a COVID centre included 123 hospitalized patients those who are COVID-19 positive by RT-PCR or Rapid Antigen Test. The study lasted six months (July 2020 - November 2020). In addition, the patient's demographics, chest CT findings, CRP, lymphocyte and neutrophil counts were documented.Results: The differences in NL Ratio were significant across the all grades of CT severity score groups, as well as within each group (p
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