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  • Title: Cost variation and revisit rate for adult patients with asthma presenting to the emergency department.
    Author: Casey MF, Richardson LD, Weinstock M, Lin MP.
    Journal: Am J Emerg Med; 2022 Nov; 61():179-183. PubMed ID: 36155254.
    Abstract:
    BACKGROUND: Asthma is common, resulting in 53 million emergency department (ED) visits annually. Little is known about variation in cost and quality of ED asthma care. STUDY OBJECTIVE: We sought to describe variation in costs and 7-day ED revisit rates for asthma care across EDs. Our primary objective was to test for an association between ED costs and the likelihood of a 7-day revisit for another asthma exacerbation. METHODS: We used the 2014 Florida State Emergency Department Database to perform an observational study of ED visits by patients ≥18 years old with a primary diagnosis of asthma that were discharged home. We compared patient and hospital characteristics of index ED discharges with and without 7-day revisits, then tested the association between ED revisits and index ED costs. Multilevel regression was performed to account for hospital-level clustering. RESULTS: In 2014, there were 54,060 adult ED visits for asthma resulting in discharge, and 1667 (3%) were associated with an asthma-related ED revisit within 7 days. Median cost for an episode of ED asthma care was $597 with an interquartile range of $371-980. After adjusting for both patient and hospital characteristics, lack of insurance was associated with higher odds of revisit (OR 1.42, 95% CI 1.18-1.71), while private insurance, female gender, and older age were associated with lower odds of revisit. Hospital costs were not associated with ED revisits (OR = 1.00; 95% CI 1.00-1.00). CONCLUSION: Hospital costs associated with ED asthma visits vary but are not associated with odds of ED revisit.
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