Booster vaccines dose reduced mortality in hospitalized COVID-19 patients requiring oxygen supplementation: Evidence from the Beijing Omicron outbreak

To assess the impact of vaccines on clinical outcomes among hospitalized COVID-19-infected patients requiring oxygen supplementation during the Beijing Omicron outbreak. We conducted a retrospective cohort study at Beijing Chaoyang Hospital, Capital Medical University, from November 15, 2022, to Mar...

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Main Authors: Xinrui Wang, Yi Zhang, Chong Huang, Hui Yang, Chunguo Jiang, Xiaojia Yu, Rui Zhao, Jun Hong, Yushu Wang, Zhuoling An, Zhaohui Tong
Format: Article
Language:English
Published: Taylor & Francis Group 2024-12-01
Series:Human Vaccines & Immunotherapeutics
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Online Access:https://www.tandfonline.com/doi/10.1080/21645515.2024.2361500
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author Xinrui Wang
Yi Zhang
Chong Huang
Hui Yang
Chunguo Jiang
Xiaojia Yu
Rui Zhao
Jun Hong
Yi Zhang
Yushu Wang
Rui Zhao
Zhuoling An
Zhaohui Tong
author_facet Xinrui Wang
Yi Zhang
Chong Huang
Hui Yang
Chunguo Jiang
Xiaojia Yu
Rui Zhao
Jun Hong
Yi Zhang
Yushu Wang
Rui Zhao
Zhuoling An
Zhaohui Tong
author_sort Xinrui Wang
collection DOAJ
description To assess the impact of vaccines on clinical outcomes among hospitalized COVID-19-infected patients requiring oxygen supplementation during the Beijing Omicron outbreak. We conducted a retrospective cohort study at Beijing Chaoyang Hospital, Capital Medical University, from November 15, 2022, to March 31, 2023. Vaccination statuses were categorized into 3 doses, 2 doses, and unvaccinated (0 dose). The primary outcome was 28-day all-cause mortality. Secondary outcomes included poor outcomes, intensive care unit admission, cardiovascular thromboembolism events, and hospital readmission. Among the included patients, 117 were 2 doses, 285 received booster doses, and 503 were unvaccinated. After propensity score inverse probability weighting, the 3 doses group showed a significantly lower 28-day all-cause mortality compared to the unvaccinated group (inverse probability of treatment weighting-adjusted HR: 0.64, 95% CI: 0.50–0.81). No significant difference was observed in all-cause mortality between the 2 doses and unvaccinated groups. No significant differences were observed in secondary outcome analyses when comparing the 3 doses or 2 doses group to the unvaccinated group. Subgroup analysis revealed significant benefits of booster vaccination in patients with shorter symptom duration, lower Charlson Comorbidity Index, and without immunosuppression status. Our study highlights the significant reduction in all-cause mortality among hospitalized Omicron-infected patients who received a third dose vaccine. These findings underscore the importance of prioritizing booster vaccinations, especially among the elderly. Further research is warranted to confirm and extend these observations.
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spelling doaj-art-34d23e8aaeab4357ac485bf6bc097bfb2025-08-20T03:21:46ZengTaylor & Francis GroupHuman Vaccines & Immunotherapeutics2164-55152164-554X2024-12-0120110.1080/21645515.2024.2361500Booster vaccines dose reduced mortality in hospitalized COVID-19 patients requiring oxygen supplementation: Evidence from the Beijing Omicron outbreakXinrui Wang0Yi Zhang1Chong Huang2Hui Yang3Chunguo Jiang4Xiaojia Yu5Rui Zhao6Jun Hong7Yi Zhang8Yushu Wang9Rui Zhao10Zhuoling An11Zhaohui Tong12Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, ChinaDepartment of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, ChinaSchool of Pharmaceutical Sciences, Capital Medical University, Beijing, ChinaDepartment of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, ChinaDepartment of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, ChinaDepartment of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, ChinaDepartment of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, ChinaSchool of Pharmaceutical Sciences, Capital Medical University, Beijing, ChinaDepartment of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, ChinaDepartment of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, ChinaDepartment of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, ChinaDepartment of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, ChinaDepartment of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, ChinaTo assess the impact of vaccines on clinical outcomes among hospitalized COVID-19-infected patients requiring oxygen supplementation during the Beijing Omicron outbreak. We conducted a retrospective cohort study at Beijing Chaoyang Hospital, Capital Medical University, from November 15, 2022, to March 31, 2023. Vaccination statuses were categorized into 3 doses, 2 doses, and unvaccinated (0 dose). The primary outcome was 28-day all-cause mortality. Secondary outcomes included poor outcomes, intensive care unit admission, cardiovascular thromboembolism events, and hospital readmission. Among the included patients, 117 were 2 doses, 285 received booster doses, and 503 were unvaccinated. After propensity score inverse probability weighting, the 3 doses group showed a significantly lower 28-day all-cause mortality compared to the unvaccinated group (inverse probability of treatment weighting-adjusted HR: 0.64, 95% CI: 0.50–0.81). No significant difference was observed in all-cause mortality between the 2 doses and unvaccinated groups. No significant differences were observed in secondary outcome analyses when comparing the 3 doses or 2 doses group to the unvaccinated group. Subgroup analysis revealed significant benefits of booster vaccination in patients with shorter symptom duration, lower Charlson Comorbidity Index, and without immunosuppression status. Our study highlights the significant reduction in all-cause mortality among hospitalized Omicron-infected patients who received a third dose vaccine. These findings underscore the importance of prioritizing booster vaccinations, especially among the elderly. Further research is warranted to confirm and extend these observations.https://www.tandfonline.com/doi/10.1080/21645515.2024.2361500COVID-19vaccinehospitalized patientsbooster vaccine dose
spellingShingle Xinrui Wang
Yi Zhang
Chong Huang
Hui Yang
Chunguo Jiang
Xiaojia Yu
Rui Zhao
Jun Hong
Yi Zhang
Yushu Wang
Rui Zhao
Zhuoling An
Zhaohui Tong
Booster vaccines dose reduced mortality in hospitalized COVID-19 patients requiring oxygen supplementation: Evidence from the Beijing Omicron outbreak
Human Vaccines & Immunotherapeutics
COVID-19
vaccine
hospitalized patients
booster vaccine dose
title Booster vaccines dose reduced mortality in hospitalized COVID-19 patients requiring oxygen supplementation: Evidence from the Beijing Omicron outbreak
title_full Booster vaccines dose reduced mortality in hospitalized COVID-19 patients requiring oxygen supplementation: Evidence from the Beijing Omicron outbreak
title_fullStr Booster vaccines dose reduced mortality in hospitalized COVID-19 patients requiring oxygen supplementation: Evidence from the Beijing Omicron outbreak
title_full_unstemmed Booster vaccines dose reduced mortality in hospitalized COVID-19 patients requiring oxygen supplementation: Evidence from the Beijing Omicron outbreak
title_short Booster vaccines dose reduced mortality in hospitalized COVID-19 patients requiring oxygen supplementation: Evidence from the Beijing Omicron outbreak
title_sort booster vaccines dose reduced mortality in hospitalized covid 19 patients requiring oxygen supplementation evidence from the beijing omicron outbreak
topic COVID-19
vaccine
hospitalized patients
booster vaccine dose
url https://www.tandfonline.com/doi/10.1080/21645515.2024.2361500
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