• Jiun-I Lai, Hung-Yuan Lin, Yi-Chun Lai, Po-Chou Lin, Shih-Chieh Chang, and Gau-Jun Tang.
• National Yang-Ming University School of Medicine, Taiwan, ROC.
• J Formos Med Assoc. 2012 Sep 1; 111 (9): 504-9.

Background/PurposeReadmission to the intensive care unit (ICU) results in increased consumption of medical resources and costs, and has been proposed as a marker for quality of care. ICU readmission rates have been estimated at 4-14% and different risk factors have been proposed by various studies.MethodsEvery admission event to the ICU was recorded and readmission episodes were analyzed using a population-based database from the Taiwan National Health Insurance Research Database (NHIRD) for the period from January 1, 2006 to December 31, 2006.ResultsThe average follow-up time was 206.35 days. From the database of 192,201 patients admitted to the ICU, 25,263 patients were re-admitted, with a readmission rate of 13.13%. The leading etiologies for readmission were identified. Using multivariate analysis, age > 39 years old, female gender, ischemic heart disease, lung related disorders, pneumonia, cerebrovascular disease, sepsis, heart failure, chronic liver disease, diabetes mellitus, and chronic obstructive pulmonary disease were identified as significant risk factors for readmission to the ICU.ConclusionThis study uses a novel approach to assess risk factors for readmission to the ICU. Higher risk patients should be assessed more carefully before discharge or transfer from the ICU to prevent readmission episodes.Copyright © 2012. Published by Elsevier B.V.

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