Evidence map›Paper›PMID 40015289›Full record

ArticleTuberculosis and respiratory diseases2025

Effects of Vaccination on Acute Exacerbation of Chronic Obstructive Pulmonary Disease: A Nationwide Population-Based Cohort Study.

Sang Hyuk Kim, Hyun Lee, Min Ji Kim, Min Gu Kang, Jong Seung Kim, Jong Geol Jang, Youlim Kim, Hyeon-Kyoung Koo, Chin Kook Rhee, Kyung Hoon Min and 5 more

Abstract read
In one paragraph

Article in Tuberculosis and respiratory diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Response to Daungsupawong et al.Tuberculosis and respiratory diseases · 2025
    Article
  9. Article
  10. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

15 authors.

Sang Hyuk KimDivision of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Dongguk University Gyeongju Hospital, Dongguk University College of Medicine, Gyeongju, Republic of Korea.
Hyun LeeDivision of Pulmonary Medicine and Allergy, Department of Internal Medicine, Hanyang University Medical Center, Hanyang University College of Medicine, Seoul, Republic of Korea.
Min Ji KimDepartment of Medical Informatics, Jeonbuk National University Medical School, Jeonju, Republic of Korea.
Min Gu KangDepartment of Medical Informatics, Jeonbuk National University Medical School, Jeonju, Republic of Korea.
Jong Seung KimDepartment of Medical Informatics, Jeonbuk National University Medical School, Jeonju, Republic of Korea.
Jong Geol JangDivision of Pulmonology and Allergy, Department of Internal Medicine, Yeungnam University Medical Center, Yeungnam University College of Medicine, Daegu, Republic of Korea.
Youlim KimDivision of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Republic of Korea.
Hyeon-Kyoung KooDivision of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Inje University Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Republic of Korea.
Chin Kook RheeDivision of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
Kyung Hoon MinDivision of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea.
Yong Il HwangDivision of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Anyang, Republic of Korea.
Deog Kyeom KimDivision of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea.
Yong Bum ParkDivision of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Kangdong Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Republic of Korea.
Ji-Yong MoonDivision of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Republic of Korea.
Korean COPD Study Group

Funding

Korean Academy of Tuberculosis and Respiratory DiseasesKorea National Institute of Health
6 · The paper itself

Abstract

backgroundCoronavirus disease 2019 (COVID-19) vaccination may offer benefits for patients with chronic obstructive pulmonary disease (COPD). However, the evidence on whether the vaccination decreases the frequency of acute exacerbation of COPD (AECOPD) is limited.

methodsThis study enrolled 41,606 individuals diagnosed with COPD using the Korean National Health Insurance System-severe acute respiratory syndrome coronavirus 2 (NHIS SARS-CoV-2) database between 2020 and 2021. A cohort of 3,602 individuals was analyzed through 1:1 propensity score matching of vaccinated and unvaccinated groups. The risk of AECOPD was evaluated using a Cox proportional hazards regression analysis. A post hoc analysis examined the impact of COVID-19 on AECOPD in vaccinated and unvaccinated groups among infected and uninfected subgroups.

resultsThroughout the study, the exacerbation rate was lower in the vaccinated group (1,683/10,000 person-years) compared to the unvaccinated group (3,410/10,000 personyears). The Cox proportional hazards model showed a significantly decreased risk of AECOPD in vaccinated individuals relative to unvaccinated individuals (hazard ratio [HR], 0.55; 95% confidence interval [CI], 0.41 to 0.72). post hoc analysis revealed that COVID-19 was associated with a higher risk of AECOPD in unvaccinated individuals (adjusted HR, 2.06; 95% CI, 1.28 to 3.33), while in vaccinated individuals, the risk did not significantly differ between those infected and not infected with COVID-19 (adjusted HR, 1.35; 95% CI, 0.42 to 4.36).

conclusionCOVID-19 vaccination appears to decrease the risk of AECOPD among individuals with COPD.

Indexed as

Chronic Obstructive Pulmonary DiseaseCOVID-19ExacerbationRespiratory DiseaseVaccinationVaccination Recommendation

Identifiers

PMID40015289
PMCPMC12235290

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.