Association of Chest CT Severity Scores and Vaccination Status in COVID-19 Disease: A Cross-sectional Study
Abstract
Introduction: Coronavirus Disease 2019 (COVID-19) has emerged as a pandemic with substantial morbidity and mortality. While global efforts towards mitigating the infection are focused on the vaccination of population, studies are warranted to prove the efficacy of vaccine in prevention of infection or reducing the severity of infection in affected patients. The 25-point High Resolution Computed Tomography (HRCT) severity score has proved to be an effective tool in estimating the severity of lung infection and correlates with laboratory parameters and disease outcome. The HRCT scores hence provide an objective evidence to prove the efficacy of vaccines in vaccinated individuals by assessing the extent of lung involvement. Aim: To compare the chest CT severity score in vaccinated and unvaccinated COVID-19 infected patients. Materials and Methods: This cross-sectional study was conducted in the Department of Radiology, at Sri Jayadeva Institute of Cardiovascular Sciences and Research, Mysuru, Karnataka, India. The data of HRCT scores and vaccination status was collected during the month of April 2021 from patients who were suspected to have COVID-19 infection and underwent a chest HRCT scan. The severity of lung infection in vaccinated and unvaccinated individuals was compared based on the HRCT scores and the association between these variables were analysed. The association between the respective variables were studied using Fischer’s-exact and Kruskal-Wallis tests. Results:…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 178 participants or records.
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