期刊
EUROPEAN JOURNAL OF INTERNAL MEDICINE
卷 26, 期 1, 页码 12-17出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ejim.2014.12.013
关键词
Readmission; Prediction; Emergency medical admissions
Background: The factors influencing hospital readmissions are debated. Weassessed whether readmissions could be predicted using routinely collected hospital data. Methods: All emergency admissions to a single institution over 12 years (2002-2013) were included. The predictor variables, of acute illness severity, Manchester Triage Category, chronic disabling disease and Charlson co-morbidity scores, were studied univariably and entered into a multivariable logistic regression model to predict the bivariate of any readmission or none. A zero truncated Poisson regression model assessed the predictors against the readmission count and incidence rate ratios were calculated. Factors reflecting the clinical load on the emergency department were examined. Results: 66,933 admissions were recorded in 36,271 patients. The readmission rates at 1, 3, 6 and 9 years were 29.5%, 38.9%, 42.9% and 44.1%. Early readmissions represented 14.1%. In the multivariable model, an admission in the previous 6 months was the strongest predictor of readmission, OR of 5.02 (95% CI: 4.86, 5.18). Acute illness severity-OR of 2.68 (95% CI: 2.33, 3.09) for group VI vs group I, and chronic disabling score-OR of 2.08 (95% CI: 1.87, 2.32) for a score of 4+ vs 0 were significant predictors of readmission in the multivariable model. Both of these predictors demonstrated a linear relationship. Illness severity was the strongest predictor of an early readmission within 4 weeks. Conclusion: Readmissions increase as a function of time; illness severity, chronic disabling disease score and a recent admission are the strongest predictors of readmission. (C) 2014 European Federation of Internal Medicine. Published by Elsevier B.V. All rights reserved.
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