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March 31, 2026Philippine Journal of Health Research and DevelopmentOpen Access

Prevalence and severity of Computed Tomography assessed pneumonia among fully vaccinated and unvaccinated adult Filipino in-patients with COVID-19 infection: A retrospective study

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Authors

JSJose Paolo D. Sibulo

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Overview

Retrospective study compares pneumonia severity in vaccinated and unvaccinated adults with COVID-19, suggesting vaccination reduces severity.

Key Points

  • To analyze the prevalence and severity of pneumonia in vaccinated versus unvaccinated COVID-19 patients using CT imaging.
  • Conducted a retrospective study on COVID-19 positive adult in-patients from a tertiary hospital.
  • Analyzed imaging findings from chest CT scans performed between 2020 and 2021.
  • Collected demographic data and vaccination status.
  • Used statistical tests such as Pearson's chi-square, Fisher's exact test, and Student's t-test for analysis.
  • All 174 subjects had pneumonia with varying severity (77 mild, 75 moderate, 22 severe).
  • 113 patients were fully vaccinated, 4 partially vaccinated, and 57 unvaccinated.
  • Vaccinated individuals had a significantly lower mean pneumonia severity score (8.637) compared to unvaccinated individuals (11.934).

Cite This Study

Jose Paolo D. Sibulo (2024) studied this question.

synapsesocial.com/papers/69cb650ee6a8c024954b9180https://doi.org/10.4103/pjhrd_2024283_6
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  1. 1COVID-19 Vaccination Leads to Less Pneumonia at Chest CT2024 · 1 citations
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  4. 4High Resolution Computed Tomography (HRCT) Chest Assessment of Vaccinated and Non-Vaccinated COVID-19 Patients in a Tertiary Care Centre2024
  5. 5The CT Scan Lung Severity Score and Vaccination Status in COVID-19 patients in India: Perspective of an Independent Radiology Practice2024