Higher versus lower fraction of inspired oxygen or targets of arterial oxygenation for adults admitted to the intensive care unit

Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark. Centre for Research in Intensive Care, Department 7831, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark. Department of Anaesthesia and Intensive Care, Aalborg University Hospital, Aalborg, Denmark. Copenhagen Trial Unit, Centre for Clinical Intervention Research, Copenhagen, Denmark. Cochrane Hepato-Biliary Group, Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark. Department of Cardiology, Holbaek Hospital, Holbaek, Denmark. Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark. Department of Anaesthesia and Intensive Care, Bispebjerg and Frederiksberg Hospital, University of Copenhagen, Copenhagen, Denmark. Department of Anaesthesiology, Herlev Hospital, University of Copenhagen, Herlev, Denmark. Department of Intensive Care, Righospitalet, Copenhagen University Hospital, Copenhagen, Denmark.