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Related Experiment Videos

[Hospital function and the urban system in Brazil].

P Waniez1, V Brustlein, M M O'Neill

  • 1Institut de recherche pour le développement (IRD), école normale supérieure, 48, boulevard Jourdan, 75014 Paris. philgeo@club-internet.fr

Sante (Montrouge, France)
|August 29, 2000
PubMed
Summary

Hospital services significantly shape geographical regions, influencing urban hierarchies and areas of influence. This study validates central place theory using hospital admission data in Brazil, demonstrating healthcare

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Area of Science:

  • Geographic analysis
  • Urban planning
  • Health services research

Background:

  • Central place theory posits that central places structure regions by minimizing consumer transport costs.
  • Hospital services, like other commercial services, may play a role in this regional structuring.
  • Understanding this role is crucial for land use planning and health policy.

Purpose of the Study:

  • To investigate whether hospital services contribute to the geographical structuring of regions, as suggested by central place theory.
  • To assess the validity of central place theory in the context of healthcare provision.
  • To analyze the spatial influence of hospitals in Brazil.

Main Methods:

  • Utilized a variant of the Huff gravity model to estimate areas of influence.

Related Experiment Videos

  • Analyzed 12 million hospital admission records (AIH) from Brazil for 1996.
  • Mapped the percentage of exogenous AIH (admissions outside the patient's residence town) to determine observed service areas.
  • Compared observed influence areas with model-calculated influence in Minas Gerais State.

    • Main Results:

    • A quarter of hospital admissions in Brazil involved patients admitted outside their town of residence (exogenous AIH).
    • Mapping exogenous AIH effectively delineated the spatial influence of health services across Brazil.
    • The Huff model provided a satisfyingly accurate estimation of hospital service areas, despite some discrepancies attributed to regional heterogeneity.

    Conclusions:

    • Hospital services are a major factor in structuring geographic space.
    • They significantly enhance the attraction potential of urban centers.
    • The findings support the application of central place theory to healthcare services and inform land use planning.