Comparison of CO-RADS, RT-PCR and Chest CT Score; a report of 519 cases

Main Article Content

Aylin Altan Kus
Yildiz Okuturlar
Cem Burak Kalayci
Yasemin Gundogdu
Iftihar Koksal
Esref Kizilkaya

Abstract

Aim: Analysing the efficancy of The Dutch COVID-19 Reporting and Data System (CO-RADS) classification to evaluate the severity of the disease of patients with COVID-19 infection and investigating its diagnostic performance with the correlation between reverse transcriptase-polymerase chain reaction (RT-PCR) test results and severity of the disease.


Materials and Methods: Retrospective evaluation of the RT-PCR and the Computed Tomography (CT) imaging results of 519 patients who were clinically accepted and threated as Covid-19.  Inclusion criteria: All patients over the age of 18 who underwent CT with a pre-diagnosis of covid were included. The study excluded patients who were under the age of 18, pregnant, in poor general health but unable to undergo a CT scan, whose data could not be retrieved, or whose data were input insufficiently. Three radiologists evaluated the Chest CT images by using the CO-RADS and the CT Score classifications. Relationship between CORADS, Chest CT Score and RT-PCR results were demonstrated.  Demographic data, clinical features, comorbidities, hospitalization rates and intensive care unit admission were recorded and correlated with CORADS and CT Score classification.


Results: The average age was 46.41± 17.37 (range 18-95). 232 cases were women, while 287 cases were men. 278 (53.5 %) of 519 patients had positive RT-PCR results. According to kappa results; there is no agreement between CORADS and RT-PCR, CORADS and CT Score. 278 (53,6 %) of 519 patients had positive RT-PCR results. According to kappa results; there is no agreement between CO-RADS and RT-PCR, CORADS and CT Score. There was correlation between CT score and man population (p <0,037). According to the clinical symptoms; only sore throat was correlated with CORADS while fever, cough and dsypnea were not. Hospitalization and ICU admission were higher in CORADS 2-5 group. 84 of 165 patients with CORADS 1 had RT PCR positive results; while160 of 354 patients with lung involvement (CORADS 2-5 group) on CT images were RT-PCR negative.


Conclusion: Using CO-RADS classification with RT-PCR improves more accurate diagnosis. Using CT Score and CORADS classification with clinical features, enpowers the triage options during the peak of pandemic wave.

Downloads

Download data is not yet available.

Article Details

How to Cite
Altan Kus, A., Okuturlar, Y., Kalayci, C. B., Gundogdu, Y., Koksal, I., & Kizilkaya, E. (2023). Comparison of CO-RADS, RT-PCR and Chest CT Score; a report of 519 cases. Annals of Medical Research, 30(3), 287–293. Retrieved from http://annalsmedres.org/index.php/aomr/article/view/4173
Section
Original Articles