alexa Prediction of hospital mortality rates by admission laboratory tests.
Pharmaceutical Sciences

Pharmaceutical Sciences

Journal of Pharmaceutical Care & Health Systems

Author(s): Froom P, Shimoni Z

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Abstract BACKGROUND: The aim of this study was to explore whether electronically retrieved laboratory data can predict mortality in internal medicine departments in a regional hospital. METHODS: All 10,308 patients hospitalized in internal medicine departments over a 1-year period were included in the cohort. Nearly all patients had a complete blood count and basic clinical chemistries on admission. We used logistic regression analysis to predict the 573 deaths (5.6\%), including all variables that added significantly to the model. RESULTS: Eight laboratory variables and age significantly and independently contributed to a logistic regression model (area under the ROC curve, 88.7\%). The odds ratio for the final model per quartile of risk was 6.44 (95\% confidence interval, 5.42-7.64), whereas for age alone, the odds ratio per quartile was 2.01 (95\% confidence interval, 1.84-2.19). CONCLUSIONS: A logistic regression model including only age and electronically retrieved laboratory data highly predicted mortality in internal medicine departments in a regional hospital, suggesting that age and routine admission laboratory tests might be used to ensure a fair comparison when using mortality monitoring for hospital quality control. This article was published in Clin Chem and referenced in Journal of Pharmaceutical Care & Health Systems

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