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Objectives: Regular users of the emergency department (ED) include both patients who could be better served in lower-acuity settings and those with high-severity conditions. ED use decreased during the COVID-19 pandemic, but patterns among regular ED users are unknown. To determine the impact of the COVID-19 pandemic on this population, we examined quarterly postpandemic ED utilization among prepandemic regular ED users. Key subgroups included prepandemic ED users with regular visits for (1) low-severity conditions and (2) high-severity conditions.
Study Design: An event study design with COVID-19 and historic controls cohorts.
Methods: We identified 4710 regular ED users at baseline and followed their ED utilization for 7 quarters. We used a generalized estimating equations model to compare the relative quarterly percent difference in ED visit rates between the COVID-19 and historic controls cohorts.
Results: The first postpandemic quarter was associated with the largest decline in ED visits, at -36.0% (95% CI, -42.0% to -29.3%) per regular ED user overall, -52.2% (95% CI, -69.4% to -25.3%) among high-severity users, and -29.6% (95% CI, -39.8% to -17.8%) among low-severity users. However, use did not statistically differ from expected levels after 5 quarters among all regular ED users, 1 quarter among high-severity users, and 3 quarters among regular low-severity users.
Conclusions: Initial reductions among regular high-severity ED users raise concern for harm from delayed or missed care but did not result in increased high-severity visits later. Nonsustained declines among regular low-severity ED users suggest barriers to and opportunities for redirecting nonurgent ED use to lower-acuity settings.
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| http://dx.doi.org/10.37765/ajmc.2024.89540 | DOI Listing |
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