Prevalence and detection of delirium in elderly emergency department patients

From the *Department of Psychiatry, McGill University, Montreal, Que; †St. Mary's Hospital Center, Montreal, Que.; the ‡Department of Psychiatry, Université Laval, Quebec City, Que.; §Robert Giffard Hospital Center, Pavillon Roy Rousseau, Quebec City, Que.; the ¶Department of Epidemiology and Biostatistics, McGill University, Montreal, Que.; the **Department of Clinical Epidemiology and Community Studies, St. Mary's Hospital Center, Montreal, Que.; and the ††Service de l'enseignement des méthodes quantitatives de gestion, École des Hautes Études Commerciales, Montreal, Que.

From the *Department of Psychiatry, McGill University, Montreal, Que; †St. Mary's Hospital Center, Montreal, Que.; the ‡Department of Psychiatry, Université Laval, Quebec City, Que.; §Robert Giffard Hospital Center, Pavillon Roy Rousseau, Quebec City, Que.; the ¶Department of Epidemiology and Biostatistics, McGill University, Montreal, Que.; the **Department of Clinical Epidemiology and Community Studies, St. Mary's Hospital Center, Montreal, Que.; and the ††Service de l'enseignement des méthodes quantitatives de gestion, École des Hautes Études Commerciales, Montreal, Que.

From the *Department of Psychiatry, McGill University, Montreal, Que; †St. Mary's Hospital Center, Montreal, Que.; the ‡Department of Psychiatry, Université Laval, Quebec City, Que.; §Robert Giffard Hospital Center, Pavillon Roy Rousseau, Quebec City, Que.; the ¶Department of Epidemiology and Biostatistics, McGill University, Montreal, Que.; the **Department of Clinical Epidemiology and Community Studies, St. Mary's Hospital Center, Montreal, Que.; and the ††Service de l'enseignement des méthodes quantitatives de gestion, École des Hautes Études Commerciales, Montreal, Que.

From the *Department of Psychiatry, McGill University, Montreal, Que; †St. Mary's Hospital Center, Montreal, Que.; the ‡Department of Psychiatry, Université Laval, Quebec City, Que.; §Robert Giffard Hospital Center, Pavillon Roy Rousseau, Quebec City, Que.; the ¶Department of Epidemiology and Biostatistics, McGill University, Montreal, Que.; the **Department of Clinical Epidemiology and Community Studies, St. Mary's Hospital Center, Montreal, Que.; and the ††Service de l'enseignement des méthodes quantitatives de gestion, École des Hautes Études Commerciales, Montreal, Que.

From the *Department of Psychiatry, McGill University, Montreal, Que; †St. Mary's Hospital Center, Montreal, Que.; the ‡Department of Psychiatry, Université Laval, Quebec City, Que.; §Robert Giffard Hospital Center, Pavillon Roy Rousseau, Quebec City, Que.; the ¶Department of Epidemiology and Biostatistics, McGill University, Montreal, Que.; the **Department of Clinical Epidemiology and Community Studies, St. Mary's Hospital Center, Montreal, Que.; and the ††Service de l'enseignement des méthodes quantitatives de gestion, École des Hautes Études Commerciales, Montreal, Que.

From the *Department of Psychiatry, McGill University, Montreal, Que; †St. Mary's Hospital Center, Montreal, Que.; the ‡Department of Psychiatry, Université Laval, Quebec City, Que.; §Robert Giffard Hospital Center, Pavillon Roy Rousseau, Quebec City, Que.; the ¶Department of Epidemiology and Biostatistics, McGill University, Montreal, Que.; the **Department of Clinical Epidemiology and Community Studies, St. Mary's Hospital Center, Montreal, Que.; and the ††Service de l'enseignement des méthodes quantitatives de gestion, École des Hautes Études Commerciales, Montreal, Que.