• Roxane Borges Da Silva, Jane McCusker, Danièle Roberge, Antonio Ciampi, Alain Vadeboncoeur, Jean-Frédéric Lévesque, and Eric Belzile.
• Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montréal, Quebec, Canada. roxane.borgesdasilva@mail.mcgill.ca
• Acad Emerg Med. 2012 May 1;19(5):552-61.

ObjectivesThe goal was to develop a classification of emergency departments (EDs) based on their organization of services for seniors discharged to the community.MethodsThis was a secondary analysis of data collected in a survey of key informants (chief physicians and head nurses) in EDs in Quebec on the organization of services for community-dwelling seniors discharged to the community. Organizational characteristics were classified a priori in the following three categories: 1) availability of human resources, 2) care processes, and 3) links to community services. A multifactorial analysis (MFA) was used to analyze the variables by category and globally, thus investigating not only the relationships between variables within each category, but also the relationships between different categories. The authors then proceeded to classify EDs using Ward's method (hierarchical ascendant classification) applied to reduced data dimensions.ResultsThe sample consisted of 103 EDs. Analyses were carried out on data from the 68 (66%) of these EDs that supplied complete data. These 68 EDs did not differ in terms of their size or geographical location from the 35 other departments that supplied incomplete or no data. We identified three groups of EDs: most specialized (with regard to internal staff and care processes) and less community-oriented (n = 12), moderately specialized and less community-oriented (n = 28), and least specialized and more community-oriented (n = 28).ConclusionsThis classification of EDs with respect to their organization of services for community-dwelling seniors may be helpful to those planning services, to decision-makers, and to researchers. The three groups of EDs identified in this study represent three types of organizations with differing assets and limitations. The generalizability of these groups to other settings and the implications for patient outcomes should be investigated.© 2012 by the Society for Academic Emergency Medicine.

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