Benha University

Hamasat Abd Elhafeez Abd Elkhalek Abd Elkader Elnoury

Asst. Professor

Faculty of Medicine CLINICAL & CHEMICAL PATHOLOGY

CO‑RADS score and its correlation with clinical and laboratory parameters in patients with COVID‑19

• 2024
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Publication Information
Authors Marwa Elsayed Elnaggar1* , Abeer Mohamed Rawy1, Marwa Seif El‑Melouk2, Al‑Shaimaa Mahmoud Al‑Tabbakh2, Hamasat Abdel‑hafeez Abdel‑Khalik3, Eman Fathy Abdelkhalek4 and Rehab Elsayed Elsawy1
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publication.type Local
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Abstract
Background Polymerase chain reaction (PCR) based SARS-CoV-2 RNA detection and serological antibody tests give
a proof of Coronavirus Disease 2019 (COVID-19) infection. Several variables can influence the consequences of these
tests. Inflammatory markers among mild and severe patients of COVID-19 showed dissimilarity in inflammatory markers
while computed tomography (CT) in patients infected with COVID-19 used to evaluate infection severity. The aim
of this study is to investigate the application of the COVID-19 Reporting and Data System (CO-RADS) classification in
COVID-19 patients and its relation to clinical and laboratory finding.
Results One hundred patients suspected to have COVID-19 infection were involved. Their age was 49.6 ± 14.7. Fever
and cough were the frequent presenting symptoms. Patients with positive PCR were significantly associated with
dyspnea and higher inflammatory markers. Lymphopenia had sensitivity of 63.6% and specificity of 91.7%. Combination
of PCR and lymphopenia increased both sensitivity and specificity. CT findings in relation to PCR showed sensitivity
of 90.5% and specificity of 25%. CO-RADS score showed positive correlation with age and inflammatory biomarkers
and negative correlation with absolute lymphocyte count (ALC).
Conclusions CT finding was more prominent in older patients with COVID-19 and associated with higher inflammatory
biomarkers and lower ALC which were correlated with CO-RADS score. Patients with positive PCR had more
symptoms and inflammatory marker. Combination of PCR with either lymphopenia or CT finding had more sensitivity,
specificity and accuracy in diagnosis
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