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Related Experiment Video

Updated: Apr 6, 2026

Executing Complexity-Increasing Queries in Relational MySQL and NoSQL MongoDB and EXist Size-Growing ISO/EN 13606 Standardized EHR Databases
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An optimization framework for measuring spatial access over healthcare networks.

Zihao Li1, Nicoleta Serban2, Julie L Swann3,4

  • 1H. Milton Stewart School of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, USA. zli66@gatech.edu.

BMC Health Services Research
|July 18, 2015
PubMed
Summary
This summary is machine-generated.

Optimization models offer a superior method for measuring healthcare spatial access, accurately reflecting patient experience and avoiding demand overestimation. This approach captures system dynamics and targets interventions more effectively than traditional catchment methods.

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Area of Science:

  • Healthcare access measurement
  • Spatial analysis
  • Network optimization

Background:

  • Measuring healthcare spatial access requires considering demand, supply, and network structure.
  • Floating catchment area methods are popular but can overestimate demand and miss system-wide effects.

Purpose of the Study:

  • To present optimization as a framework for measuring healthcare spatial access.
  • To compare optimization models against traditional two-step floating catchment area methods.

Main Methods:

  • Analytical demonstration of optimization model accuracy.
  • Comparison with two-step floating catchment area variations.
  • Case study of Cystic Fibrosis specialty care access in the US.

Main Results:

  • Optimization models capture patient experience, not just opportunities, avoiding demand overestimation.
  • Models account for system effects like congestion.
  • Optimization provides richer access metrics than catchment methods.

Conclusions:

  • Optimization models can integrate user choice and adapt to various patient types, provider types, and network constraints.
  • Useful for targeting interventions to improve healthcare access.
  • Can reveal disparities in access between rural and urban areas.