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Related Experiment Videos

General practitioner prescribing rates and costs

L A Malcolm, C S Higgins

    The New Zealand Medical Journal
    |May 13, 1981
    PubMed
    Summary
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    General practitioner (GP) availability and patient use of services correlate with prescribing rates and costs. Unequal GP distribution leads to unequal pharmaceutical spending, impacting healthcare policy.

    Area of Science:

    • Health Services Research
    • Pharmaceutical Policy
    • General Practice Economics

    Background:

    • Previous studies established a link between population per general practitioner (GP) and service utilization.
    • The relationship between GP distribution and pharmaceutical prescribing patterns and costs was not well-understood.

    Purpose of the Study:

    • To investigate if the established relationship between GP availability and patient utilization also applies to GP prescribing rates and associated costs.
    • To analyze the correlation between general practitioner distribution and pharmaceutical expenditure across different health districts.

    Main Methods:

    • Utilized Pharmaceutical Pricing Office records of payments to pharmacists as the primary data source.
    • Calculated prescribing rates (items per capita) and costs (per capita) for the 1978/79 period across various health districts.

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  • Examined the correlation between these prescribing metrics and GP availability/utilization data.

    • Main Results:

    • Significant variation in prescribing rates and costs was observed between health districts (e.g., Whangarei vs. Invercargill).
    • Prescribing rates and costs demonstrated a strong positive correlation with both GP availability (population/GP) and service utilization (services/person).
    • Each GP issued an average of 16,315 prescriptions, costing $72,934 in 1978/79.

    Conclusions:

    • The maldistribution of general practitioners is directly associated with an equivalent maldistribution of pharmaceutical expenditure.
    • Findings have significant implications for healthcare cost management and policy development, especially concerning the projected increase in medical professionals entering general practice.