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Abstract
Objectives
We sought to identify factors increasing the odds of ED utilization among intellectually disabled (ID) adults and differentiate their discharge diagnoses from the general adult ED population.
Methods
This was a retrospective, observational open cohort study of all ID adults residing at an intermediate care facility and their ED visits to a tertiary center (January 1, 2007–July 30, 2008). We abstracted from the intermediate care facility database subjects' demographic, ID, health and adaptive status variables, and their requirement of ED care/hospitalization. We obtained from the hospital database the primary International Classification of Diseases 9 ED/hospital discharge diagnoses for the study and general adult population. Using multivariate logistic regression, we computed odds ratios (OR) for ED utilization/hospitalization in the cohort. Using the conditional large-sample binomial test, we differentiated the study and general populations' discharge diagnoses.
Results
A total of 433 subjects met the inclusion criteria. Gastrostomy/jejunostomy increased the odds of ED utilization (OR, 4.16; confidence interval [CI], 1.64-10.58). Partial help to feed (OR, 2.59; CI, 1.14-5.88), gastrostomy/jejunostomy (OR, 3.26; CI, 1.30-8.18), and increasing number of prescribed medications (OR, 1.08; CI, 1.03-1.14) increased the odds of hospitalization. Auditory impairment (OR, 0.45; CI, 0.23-0.88) decreased the odds of hospitalization. For ED discharge diagnoses, ID adults were more likely (P < .05) than the general population to have diagnoses among digestive disorders and ill-defined symptoms/signs. For hospital discharge diagnoses, ID adults were more likely (P < .05) to have diagnoses among infectious/parasitic, nervous system, and respiratory disorders.
Conclusion
Among ID adults, feeding status increased the odds of ED utilization, feeding status, and increasing number of prescribed medications of that hospitalization. Intellectually disabled adults' discharge diagnoses differed significantly from the general adult ED population.
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☆Preliminary data from this study were presented at the American College of Emergency Physicians Research Forum, October 5, 2009 in Boston, Mass, in poster form.
☆☆MeSH: Mental Retardation (N.B.: Though MeSH uses this term, the proper term used in this literature is Intellectual Disability), Emergency Medicine, Resource Utilization.
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