... Intensive Care Societies launched the study in 2002, at the request of the Health Ministry. Because the study did not influence the practices of the intensive care phy-sicians, approval of an ethics ... France3Department of Anesthesiology and Intensive Care, University Hospital of Lille, University of Lille 2, Lille, France4Department of Intensive Care, Raymond Poincaré Hospital, AP-HP, University of Versailles ... that the increase in burden of care (measured by relative cost indices) was essentially due to the increase in length of stay in the ICU (P < 0.0001). However,after adjustment on the length of...