Predictors associated with unplanned hospital readmission of medical and surgical intensive care unit survivors within 30 days of discharge

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  • Ohnuma, Tetsu
    • Affiliation: Gillings School of Global Public Health, Department of Epidemiology
    • Other Affiliation: Tokyo Medical and Dental University Graduate School
  • Shinjo, Daisuke
    • Other Affiliation: Tokyo Medical and Dental University Graduate School
  • Brookhart, Alan M.
    • Affiliation: Gillings School of Global Public Health, Department of Epidemiology
  • Fushimi, Kiyohide
    • Other Affiliation: Tokyo Medical and Dental University Graduate School
Abstract
  • Abstract Background Reducing the 30-day unplanned hospital readmission rate is a goal for physicians and policymakers in order to improve quality of care. However, data on the readmission rate of critically ill patients in Japan and knowledge of the predictors associated with readmission are lacking. We investigated predictors associated with 30-day rehospitalization for medical and surgical adult patients separately. Methods Patient data from 502 acute care hospitals with intensive care unit (ICU) facilities in Japan were retrospectively extracted from the Japanese Diagnosis Procedure Combination (DPC) database between April 2012 and February 2014. Factors associated with unplanned hospital readmission within 30 days of hospital discharge among medical and surgical ICU survivors were identified using multivariable logistic regression analysis. Results Of 486,651 ICU survivors, we identified 5583 unplanned hospital readmissions within 30 days of discharge following 147,423 medical hospitalizations (3.8% readmitted) and 11,142 unplanned readmissions after 339,228 surgical hospitalizations (3.3% readmitted). The majority of unplanned hospital readmissions, 60.9% of medical and 63.1% of surgical case readmissions, occurred within 15 days of discharge. For both medical and surgical patients, the Charlson comorbidity index score; category of primary diagnosis during the index admission (respiratory, gastrointestinal, and metabolic and renal); hospital length of stay; discharge to skilled nursing facilities; and having received a packed red blood cell transfusion, low-dose steroids, or renal replacement therapy were significantly associated with higher unplanned hospital readmission rates. Conclusions From patient data extracted from a large Japanese national database, the 30-day unplanned hospital readmission rate after ICU stay was 3.4%. Further studies are required to improve readmission prediction models and to develop targeted interventions for high-risk patients.
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  • Article
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  • In Copyright
Rights holder
  • The Author(s).
Journal title
  • Journal of Intensive Care
Journal volume
  • 6
Journal issue
  • 1
Page start
  • 14
Language
  • English
Bibliographic citation
  • Journal of Intensive Care. 2018 Mar 01;6(1):14
Publisher
  • BioMed Central

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