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Related Experiment Videos

Case-mix and cost differences between teaching and nonteaching hospitals.

A P Frick, S G Martin, M Shwartz

    Medical Care
    |April 1, 1985
    PubMed
    Summary

    Teaching hospitals incur over 60% higher costs per case than nonteaching hospitals. Case-mix differences explain only a quarter of this disparity, with the remainder due to higher costs within the same diagnosis-related groups (DRGs).

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    Area of Science:

    • Health Services Research
    • Hospital Administration
    • Healthcare Economics

    Background:

    • Teaching hospitals often face higher operational costs compared to nonteaching facilities.
    • Understanding cost variations is crucial for healthcare policy and resource allocation.
    • Diagnosis-related groups (DRGs) are a standard system for classifying patient cases.

    Purpose of the Study:

    • To compare case loads between teaching and nonteaching hospitals.
    • To analyze the contribution of case-mix differences to cost per case variations.
    • To identify factors driving higher costs in teaching hospitals.

    Main Methods:

    • Comparative analysis of case loads using 383 original diagnosis-related groups (DRGs).
    • Statistical comparison of average cost per case between teaching and nonteaching hospitals.

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  • Examination of case-mix composition in relation to hospital type.

    • Main Results:

    • Case-mix differences were concentrated in a limited number of DRGs.
    • Teaching hospitals had a higher proportion of surgery and neoplasm cases.
    • Nonteaching hospitals predominantly treated heart conditions and infectious diseases.
    • Average cost per case was over 60% higher in teaching hospitals.
    • Case-mix variations accounted for only about 25% of the cost difference.
    • Patients in the same DRGs incurred higher average costs in teaching hospitals.

    Conclusions:

    • Case-mix differences do not fully explain the higher average costs in teaching hospitals.
    • Higher costs within identical DRGs represent a significant factor in teaching hospital expenses.
    • Further investigation into the drivers of cost variations within DRGs is warranted.