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Effect of asthma and asthma medication on the prognosis of patients with COVID-19

Yong Jun Choi, Ju-Young Park, Hye Sun Lee, Jin Suh, Jeung Yoon Song, Min Kwang Byun, Jae Hwa Cho, Hyung Jung Kim, Jae-Hyun Lee, Jung-Won Park, Hye Jung Park
European Respiratory Journal 2021 57: 2002226; DOI: 10.1183/13993003.02226-2020
Yong Jun Choi
1Dept of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
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  • ORCID record for Yong Jun Choi
Ju-Young Park
2Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, Republic of Korea
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Hye Sun Lee
2Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, Republic of Korea
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  • For correspondence: craft7820@yuhs.ac
Jin Suh
1Dept of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
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Jeung Yoon Song
1Dept of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
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Min Kwang Byun
1Dept of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
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Jae Hwa Cho
1Dept of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
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Hyung Jung Kim
1Dept of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
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Jae-Hyun Lee
3Division of Allergy and Immunology, Dept of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
4Institute of Allergy, Yonsei University College of Medicine, Seoul, Republic of Korea
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Jung-Won Park
3Division of Allergy and Immunology, Dept of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
4Institute of Allergy, Yonsei University College of Medicine, Seoul, Republic of Korea
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Hye Jung Park
1Dept of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
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Abstract

Background Coronavirus disease 2019 (COVID-19) has spread worldwide rapidly. However, the effects of asthma, asthma medication and asthma severity on the clinical outcomes of COVID-19 have not yet been established.

Methods The study included 7590 de-identified patients, who were confirmed to have COVID-19 using the severe acute respiratory syndrome coronavirus 2 RNA-PCR tests conducted up to May 15, 2020; we used the linked-medical claims data provided by the Health Insurance Review and Assessment Service. Asthma and asthma severity (steps suggested by the Global Initiative for Asthma) were defined using the diagnostic code and history of asthma medication usage.

Results Among 7590 COVID-19 patients, 218 (2.9%) had underlying asthma. The total medical cost associated with COVID-19 patients with underlying asthma was significantly higher than that of other patients. Mortality rate for COVID-19 patients with underlying asthma (7.8%) was significantly higher than that of other patients (2.8%; p<0.001). However, asthma was not an independent risk factor for the clinical outcomes of COVID-19 after adjustment, nor did asthma medication use and asthma severity affect the clinical outcomes of COVID-19. However, use of oral short-acting β2-agonists was an independent factor to increase the total medical cost burden. Patients with step 5 asthma showed significant prolonged duration of admission compared to those with step 1 asthma in both univariate and multivariate analysis.

Conclusions Asthma led to poor outcomes of COVID-19; however, underlying asthma, use of asthma medication and asthma severity were not independent factors for poor clinical outcomes of COVID-19, generally.

Abstract

Asthma increases the total medical cost burden and mortality rate associated with COVID-19. Asthma patients should not be concerned about using asthma medication during the COVID-19 pandemic, except for the use of oral short-acting β2-agonists. https://bit.ly/35L1yY8

Footnotes

  • This article has an editorial commentary: https://doi.org/10.1183/13993003.04451-2020

  • Author contributions: Y.J. Choi analysed and interpreted the data, drafted and revised the article, and approved the final version of this manuscript for publication. J-Y. Park and H.S. Lee are professional biostatisticians and were responsible for the analysis and interpretation of the data. J. Suh, J.Y. Song, M.K. Byun, J.H. Cho, H.J. Kim, J-H. Lee and J-W. Park collected and analysed the data, contributed to the drafting of the manuscript, revised the article, and approved the final version of this manuscript for publication. H.J. Park provided constructive criticism on the rationale and design of this study, interpreted the data, drafted and revised the article, and approved the final version of this manuscript for publication.

  • Conflict of interest: Y.J. Choi has nothing to disclose.

  • Conflict of interest: J-Y. Park has nothing to disclose.

  • Conflict of interest: H.S. Lee has nothing to disclose.

  • Conflict of interest: J. Suh has nothing to disclose.

  • Conflict of interest: J.Y. Song has nothing to disclose.

  • Conflict of interest: M.K. Byun has nothing to disclose.

  • Conflict of interest: J.H. Cho has nothing to disclose.

  • Conflict of interest: H.J. Kim has nothing to disclose.

  • Conflict of interest: J-H. Lee has nothing to disclose.

  • Conflict of interest: J-W. Park has nothing to disclose.

  • Conflict of interest: H.J. Park has nothing to disclose.

  • Received June 9, 2020.
  • Accepted September 11, 2020.
  • Copyright ©ERS 2021
http://creativecommons.org/licenses/by-nc/4.0/

This version is distributed under the terms of the Creative Commons Attribution Non-Commercial Licence 4.0.

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Effect of asthma and asthma medication on the prognosis of patients with COVID-19
Yong Jun Choi, Ju-Young Park, Hye Sun Lee, Jin Suh, Jeung Yoon Song, Min Kwang Byun, Jae Hwa Cho, Hyung Jung Kim, Jae-Hyun Lee, Jung-Won Park, Hye Jung Park
European Respiratory Journal Mar 2021, 57 (3) 2002226; DOI: 10.1183/13993003.02226-2020

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Effect of asthma and asthma medication on the prognosis of patients with COVID-19
Yong Jun Choi, Ju-Young Park, Hye Sun Lee, Jin Suh, Jeung Yoon Song, Min Kwang Byun, Jae Hwa Cho, Hyung Jung Kim, Jae-Hyun Lee, Jung-Won Park, Hye Jung Park
European Respiratory Journal Mar 2021, 57 (3) 2002226; DOI: 10.1183/13993003.02226-2020
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