Spatial Accessibility and Equity Evaluation of Medical Facilities Based on Improved 2SFCA: A Case Study in Xi’an, China

Linggui Liu (), Yi Zhao (), Han Lyu, Sining Chen, Yuheng Tu and Shuyun Huang
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Linggui Liu: School of Humanities and Social Science, Xi’an Jiaotong University, Xi’an 710049, China
Yi Zhao: School of Humanities and Social Science, Xi’an Jiaotong University, Xi’an 710049, China
Han Lyu: School of Humanities and Social Science, Xi’an Jiaotong University, Xi’an 710049, China
Sining Chen: School of Humanities and Social Science, Xi’an Jiaotong University, Xi’an 710049, China
Yuheng Tu: School of Humanities and Social Science, Xi’an Jiaotong University, Xi’an 710049, China
Shuyun Huang: School of Humanities and Social Science, Xi’an Jiaotong University, Xi’an 710049, China

IJERPH, 2023, vol. 20, issue 3, 1-19

Abstract: Accurate evaluation of the accessibility of medical facilities is a prerequisite for the reasonable allocation of medical resources in a city. The accessibility of medical facilities depends not only on the distance to the supply and demand points, but also on the time spent in the process, and the supply capacity of the supply points. Taking Xi’an City of Shaanxi Province as an example, this paper comprehensively considers the facility supply capacity and introduces the selection probability function based on the two-step floating catchment area (2SFCA) method. In addition, in order to approximate the residents’ acceptance of different types of hospitals for long-distance medical treatment in real situations, different levels of search radius were set for the different levels of hospitals, and ArcGIS was used to measure the accessibility and evaluate the spatial layout of medical facilities in the main urban area of Xi’an. The results show that there is a significant difference in the accessibility of medical facilities in the main urban area of Xi’an, and the accessibility tends to decrease gradually from the central city to the periphery. The inequity in the allocation of medical facilities in the main urban area of Xi’an is more obvious, with about 81.64% of people having access to 54.88% of medical resources. The accessibility evaluation model established by the improved 2SFCA method can obtain more accurate and objective evaluation results. This study can provide a reference basis for urban medical facilities’ planning and rational spatial layout.

Keywords: medical facilities; spatial accessibility; two-step floating catchment area (2FSCA); ArcGIS (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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