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?:abstract
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BACKGROUND: The effects of chronic inhaled and systemic corticosteroids use on COVID-19 susceptibility and severity are unclear. Since many patients with chronic pulmonary diseases rely on corticosteroids to control disease, it is important to understand the risks of their use during the pandemic. We aim to study if the use of inhaled or systemic corticosteroids affects the likelihood of developing COVID-19 infection. METHODS: We used the National Jewish Health electronic medical record research database to identify a cohort of all subjects who were tested for suspected COVID-19 between March 11 - June 23, 2020. Testing results, medication use, and comorbidities were obtained from the medical record. Following a comparison of different propensity score weighting methods, overlap propensity score weighting was used to analyze the association between medication use and COVID-19 diagnosis. RESULTS: The cohort consisted of 928 patients, of which 12% tested positive. The majority (66%) of patients had a history of chronic pulmonary diseases. There was no significant association between inhaled corticosteroid use and testing positive for COVID-19. Interestingly, systemic corticosteroid use was associated with a lower odds ratio (0.95, 95% CI: 0.91-0.99) of testing positive for COVID-19. Similar results were noted when the analysis was restricted to those with any chronic pulmonary diseases, with asthma or with chronic obstructive pulmonary disease (COPD). CONCLUSIONS: Our study supports the recommendation that patients with chronic pulmonary diseases, including asthma and COPD who require treatment with either inhaled or systemic corticosteroids, should continue their use during the COVID-19 pandemic.
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