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  • Title: The identifier concept: variables to stratify patient costs within cardiothoracic surgical diagnostic related groups.
    Author: Muñoz E, Luber J, Ratner L, Goldstein J, Margolis I, Wise L.
    Journal: J Thorac Cardiovasc Surg; 1988 Sep; 96(3):376-81. PubMed ID: 3137392.
    Abstract:
    Prospective payment systems using the diagnostic related group payment mechanism are changing the economic incentives offered to hospitals. This study of all cardiothoracic surgical patients (N = 1825) treated during a 2-year period at an academic medical center demonstrated that patients within cardiothoracic diagnostic related groups could be stratified as to resource consumption (i.e., hospital cost) by four clinical variables: intensive care unit or emergency admission and blood and plasma product utilization. Patients within each diagnostic related group with the variable had higher hospital costs as follows: intensive care unit (100% of patients had higher costs per diagnostic related group for intensive care unit versus non-intensive care unit admissions), blood (100% of patients), plasma product (100%), and emergency admission (92.2%). In addition, hospital costs increased as the factors accumulated. This study demonstrates that costs within cardiothoracic diagnostic related groups may be grouped by four clinical parameters that occur during the patient's hospital stay. One of these variables (i.e., emergency admission) may be suitable to modify diagnostic related group payment. The other variables could segment higher cost patients within a diagnostic related group; cost containment efforts directed at these patients might then provide savings for the hospital.
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