Very old patients admitted to intensive care in Australia and New Zealand: a multi-centre cohort analysis

Sean M Bagshaw^1,2 , Steve AR Webb^3,4 , Anthony Delaney⁵ , Carol George⁶ , David Pilcher⁷ , Graeme K Hart¹ and Rinaldo Bellomo⁸

¹Department of Intensive Care, Austin Hospital, Studley Road, Heidelberg, VIC 3084, Australia

²Division of Critical Care Medicine, University of Alberta Hospital, University of Alberta, Walter C Mackenzie Centre, 8440-112 ST NW, Edmonton, Alberta T6G 2B7, Canada

³Department of Intensive Care, Royal Perth Hospital, Wellington Street, Perth, WA 6000 Australia

⁴School of Population Health, University of Western Australia, Crawly, Perth, WA 6009, Australia

⁵Intensive Therapy Unit, Royal North Shore Hospital, and Northern Clinical School, University of Sydney, St Leonards, Sydney, NSW 2065, Australia

⁶Australia New Zealand Intensive Care Society (ANZICS) Clinical Outcomes and Resource Evaluation Centre, Carlton, 10 Ievers Terrace, VIC 3053, Australia

⁷Department of Intensive Care Medicine, Alfred Hospital, Commercial Road, Prahran, VIC 3181, Australia

⁸Australian and New Zealand Intensive Care Research Centre, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, VIC 3004 Australia