Cohort Comparative Study of Covid-19 Vaccinated and Non-Vaccinated Patients Depending on Ct Chest Findings Between Iraqi and Jordanian Population

,; Abdulqader, Shaymaa Khalid; Ali, Fadi Faisal Anwer; ,; Bakr, Ghasaq Ma'a; ,; Najm, Lubna Hasan; ,; AlHadidi, Hebah Fayiz Ahmad; ,; Khallaf, Reem Taleb Amer; ,; Al-Kinani, Mortadha; ,

doi:10.21569/2222-7415-2024-14-1-5-15

Rejr

2024

DOI: 10.21569/2222-7415-2024-14-1-5-15

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Cohort Comparative Study of Covid-19 Vaccinated and Non-Vaccinated Patients Depending on Ct Chest Findings Between Iraqi and Jordanian Population

Shaymaa Khalid Abdulqader,

Fadi Faisal Anwer Ali,

Ghasaq Ma'a Bakr

et al.

Abstract: ince the beginning of the COVID-19 pandemic, it has recorded more than 9 million deaths globally as one of the major health crises of this century. This study aimed to compare chest CT properties of COVID-19 infection in vaccinated and non-vaccinated cases by multi-radiologist readers and to evaluate the radiologist's performance in differentiation between these two conditions.Materials and Methods. A retrospective study was conducted at the Department of Radiology,

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2025

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Impact of Vaccination Status on Chest CT Findings and Disease Outcomes in COVID-19 Era: A Retrospective Study

Abdulqader,

Ali,

Fadhil

et al. 2025

COVID

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Background: Computerized Tomography (CT) was extensively used in the COVID-19 era to confirm the diagnosis and follow the patient's response. The vaccine was rapidly introduced to break the disease chain of infection. The current study primarily aimed to examine the relationship between vaccination status and pulmonary CT findings. Moreover, it also aimed to validate the role of CT scan along with other patient criteria in predicting disease outcomes. Methods: A retrospective cohort study was conducted at the radiology department of two Iraqi hospitals in Baghdad. The study enrolled all hospitalized patients with a confirmed COVID-19 diagnosis older than 18 years old. Their data regarding demographic criteria, vaccination criteria (the status and types), and radiological CT-scan parameters (including CT finding and severity score index) were collected Results: It was found that 23 percent of COVID-19 patients were immunized. Most of the unvaccinated cases were older than 45 years and were females. There was a significant correlation between the degree and severity of lung involvement and the vaccination status (p < 0.001). The worst radiological sign for severity was the ground glass appearance. The vaccine type showed significant changes in chest CT. Pfizer had the worst severity score, followed by Sinopharm in vaccinated cases. The overall mortality was 4.5%. Moreover, the vaccine significantly reduced mortality among vaccinated vs. non-vaccinated cases (p = 0.03). By logistic regression, the CT score reliably predicted mortality with an odds ratio of 1.31 (1.18 to 1.45; p < 0.001). Conclusion: Vaccines were found to be significantly effective in protecting vaccinated people against severe infection and limiting lung injury, as evidenced by CT scores. Vaccines had a trend effect on reducing mortality. Moreover, CT scores were reliable in predicting the disease outcome.

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Impact of Vaccination Status on Chest CT Findings and Disease Outcomes in COVID-19 Era: A Retrospective Study

Abdulqader,

Ali,

Fadhil

et al. 2025

COVID

View full text Add to dashboard Cite

show abstract

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Cohort Comparative Study of Covid-19 Vaccinated and Non-Vaccinated Patients Depending on Ct Chest Findings Between Iraqi and Jordanian Population

Cited by 1 publication

References 15 publications

Impact of Vaccination Status on Chest CT Findings and Disease Outcomes in COVID-19 Era: A Retrospective Study

Impact of Vaccination Status on Chest CT Findings and Disease Outcomes in COVID-19 Era: A Retrospective Study

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