Source:The Journal of Emergency Medicine
Author(s): Sean M. Murphy, Donelle Howell, Sterling McPherson, Rebecca Grohs, John Roll, Darin Neven
BackgroundCare provided in the emergency department (ED) can cost up to five times as much as care received for comparable diagnoses in alternative settings. Small groups of patients, many of whom suffer from an opioid use disorder, often account for a large proportion of total ED visits. We recently conducted, and demonstrated the effectiveness of, the first randomized controlled trial of a citywide ED care-coordination program intending to reduce prescription-opioid-related ED visits. All EDs in the metropolitan study area were connected to a Web-based information exchange system.ObjectiveThe objective of this article was to perform an economic evaluation of the 12-month trial from a third-party-payer perspective.MethodsWe modeled the person-period monthly for the 12-month observation period, and estimated total treatment costs and return on investment (ROI) with regard to cost offsets, over time, for all visits where the patient was admitted to and discharged from the ED.ResultsBy the end of month 4, the mean cumulative cost differential was significantly lower for intervention relative to treatment-as-usual participants (−$1370; p = 0.03); this figure climbed to −$3200 (p = 0.02) by the end of month 12. The ROI trended upward throughout the observation period, but failed to reach statistical significance by the end of month 12 (ROI = 3.39, p = 0.07).ConclusionThe intervention produced significant cost offsets by the end of month 4, which continued to accumulate throughout the trial; however, ROI was not significant. Because the per-patient administrative costs of the program are incurred at the time of enrollment, our results highlight the importance of future studies that are able to follow participants for a period beyond 12 months to more accurately estimate the program's ROI.
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