The association between obesity and outcomes in critically ill patients Stephan Wardell MD1, Alastair Wall MD1, Rhonda Bryce MD MSc2, John A Gjevre MD MSc1, Karen Laframboise MD1, John K Reid MD1 S Wardell, A Wall, R Bryce, JA Gjevre, K Laframboise, JK Reid. The association between obesity and outcomes in critically ill patients. Can Respir J 2015;22(1):23-30. background: Obesity rates are increasing worldwide, particularly in North America. The impact of obesity on the outcome of critically ill patients is unclear. Methods: A prospective observational cohort study of consecutive patients admitted to a tertiary critical care unit in Canada between January 10, 2008 and March 31, 2009 was conducted. Exclusion criteria were age