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  • Title: Asthma-related emergency department (ED) visits and post-ED visit hospital and critical care admissions, National Hospital Ambulatory Medical Care Survey, 2010-2015.
    Author: Qin X, Zahran HS, Malilay J.
    Journal: J Asthma; 2021 May; 58(5):565-572. PubMed ID: 31922923.
    Abstract:
    Background: Exacerbation of asthma symptoms increases the likelihood of emergency department (ED) visits and hospitalizations. Because the ED is an important healthcare resource for immediate asthma care with acute exacerbations, we identify those populations most likely to seek ED treatment for asthma and describe the asthma burden for post-ED visit hospitalizations and critical care units.Methods: We examined the characteristics of asthma-related ED visits and hospital admissions and assessed the association between them using multivariable logistic regression models by analyzing data from the National Hospital Ambulatory Medical Care Survey (NHAMCS) during 2010-2015.Results: Of all ED visits, 1.32% were asthma-related; of all ED visits that resulted in hospitalization, 1.12% were asthma-related and, of all ED visits that resulted in admission to a critical care unit, 1.20% were asthma related. The percentages of asthma-related ED visits and post-ED hospitalizations (H) were greater among children (adjusted prevalence ratio: ED: 2.28 [1.96.29-2.65]; H: 8.75 [5.93-12.92]) than among adults and greater for blacks (ED: (2.26 [1.97-2.60]; H: 3.25 [2.07-5.12]) and Hispanics (ED: (1.74 [1.47-2.08]; H: 2.424 [1.46-4.00]) than for whites. The percentage of ED visits was also greater for those covered by Medicaid or the Children's Health Insurance Program (CHIP) than by private insurance.Conclusions: Both asthma-related ED visits and post-ED hospitalizations were greater for children, blacks, and Hispanics. ED visits were also greater for Medicaid/CHIP. These findings might help prompt future studies on identifying additional potential risk factors for frequent ED visits among disproportionally affected subpopulations.
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