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Accountable Care Hospitals and Preventable Emergency Department Visits for Rural Dementia Patients
Nianyang Wang1, Aitalohi Amaize1, Jie Chen1
1Department of Health Policy and Management, University of Maryland, School of Public Health, College Park, Maryland, USA.
Background/Objectives:
This study examined urban/rural differences in the frequency of preventable emergency department (ED) visits among patients with Alzheimer's disease and related dementias (ADRD), with a focus on the variation of accountable care organization (ACO) participation status for hospitals in urban and rural areas.
Design:
We performed a cross-sectional study using the 2015 State Emergency Department Databases, the American Hospital Association Annual Survey of Hospitals, and the Area Health Resource File. Individual-, county-, and hospital-level characteristics and state fixed effects were used for model specification.
Setting:
Patients with ADRD from seven states who visited the ED and had routine discharges.
Participants:
Our sample consisted of 117,196 patients with ADRD.
Measurements:
The outcome was preventable ED visits classified using the New York University Emergency Department visit algorithm. We performed a multivariable logistic regression to estimate the variation of preventable ED visits by urban and rural areas.
Results:
Rural patients with ADRD had 1.13 higher adjusted odds (P = .007) of going to the ED for a preventable visit compared with their urban counterparts. In addition, ACO-affiliated hospitals had .91 lower adjusted odds (P = .005) of preventable ED visits for ADRD patients compared with hospitals not affiliated with an ACO. Whole-county Mental Health Care Health Professional Shortage Area (HPSA) (odds ratio = 1.14; P = .002) designation was also an indicator of higher preventable ED rates.
Conclusion:
ACO delivery systems have the potential to decrease rural preventable ED visits among ADRD patients.
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