>> We read with great interest the article by Haupt and Günster, which clearly described the possible applications of statistical risk models to optimize patient care using the example of hospital stays. We agree with the authors that, due to the impending demographic change and the status quo of resource allocation, it is urgently necessary to use appropriate methods to try to prevent unnecessary costs for the healthcare system and at the same time achieve better outcomes for patients.
We consider the model approach used by the authors to predict the probability of hospital stays on the basis of various patient-related influencing variables to be excellent, especially since

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