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Related Experiment Videos

Economic analysis of computed tomography units.

R G Evens, R G Jost

    AJR. American Journal of Roentgenology
    |July 1, 1976
    PubMed
    Summary

    This 1976 survey of CT scanners in the U.S. found most were head units in hospitals, operated by radiologists. Costs compared favorably to revenue, but outpatient delays were significant.

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    Area of Science:

    • Radiology
    • Medical Imaging Technology

    Background:

    • Computed Tomography (CT) technology adoption in the U.S. was rapidly expanding in the mid-1970s.
    • Understanding the operational and economic aspects of early CT installations was crucial for healthcare planning.

    Purpose of the Study:

    • To survey operational CT installations across the United States in January 1976.
    • To gather data on CT equipment usage, staffing, costs, and patient scheduling.

    Main Methods:

    • Survey of 140 operating CT installations in the U.S., with data obtained from 98.
    • Data collection focused on installation characteristics, operational hours, patient volume, downtime, responsible physicians, and billing practices.

    Main Results:

    • Overwhelmingly used for head CT studies, with most installations in hospitals and managed by radiologists.
    • Average weekly operation was 64 hours with 50-55 patients examined; downtime averaged 7 hours.
    • Scheduling delays were 1.6 days for inpatients and 11.5 days for outpatients, with costs comparing favorably to revenue.

    Conclusions:

    • CT installations were typically integrated within diagnostic radiology departments.
    • Billing practices, including extra charges for contrast, influenced total reported charges.
    • Operational data provided insights into the early economic and logistical landscape of CT imaging.

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