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This paper discusses the incidence of AKI in the ICU with focuses on specific patient populations. The overall incidence of AKI in ICU patients ranges from 20% to 50% with lower incidence seen in elective surgical patients and higher incidence in sepsis patients. The incidence of contrast-induced AKI is less (11.5%\u201319% of all admissions) than seen in the ICU population at large. AKI represents a significant risk factor for mortality and can be associated with mortality greater than 50%.<\/jats:p>","DOI":"10.1155\/2013\/479730","type":"journal-article","created":{"date-parts":[[2013,3,21]],"date-time":"2013-03-21T21:07:26Z","timestamp":1363900046000},"page":"1-9","source":"Crossref","is-referenced-by-count":139,"title":["Epidemiology of Acute Kidney Injury in the Intensive Care Unit"],"prefix":"10.1155","volume":"2013","author":[{"given":"James","family":"Case","sequence":"first","affiliation":[{"name":"Division of Pulmonary and Critical Care, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, UHN67, Portland, OR 97239-3098, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3278-8387","authenticated-orcid":true,"given":"Supriya","family":"Khan","sequence":"additional","affiliation":[{"name":"Division of Pulmonary and Critical Care, Oregon Health and Science University, 3181 SW Sam Jackson Park 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