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. 2025 Jan 24;20(1):e0314315.
doi: 10.1371/journal.pone.0314315. eCollection 2025.

Spatial-temporal evolution of the allometric relationship between urban economic and health resources in the Yangtze River Delta urban agglomeration

Deng Jing  1   2 , Qianwen Song  3 , Huan Liu  4 , Zicheng Jiang  5 , Xingxing He  6 , Chengzhi Ge  1   2 , Dexun Li  1   2
Affiliations

Spatial-temporal evolution of the allometric relationship between urban economic and health resources in the Yangtze River Delta urban agglomeration

Deng Jing et al. PLoS One. .

Erratum in

Abstract

The evolution of the spatiotemporal relationship between urban economic growth and health resources within the Yangtze River Delta urban agglomeration provides an important context for understanding the regional development dynamics in China. Previous studies focused on equity in health-resource allocation and service efficiency, often overlooking the allometric growth relationships between health resources and economic variables. This study employs an allometric growth model to elucidate the changing interactions between the number of medical beds, doctors, and urban economic indicators in the Yangtze River Delta region from 2009 to 2022. Employing Zipf's law and allometric growth modeling, this study analyzed growth trends and revealed significant differences in resource allocation and size changes over time. The main findings suggest that, although resource centralization is a general trend, differences persist, especially in less economically developed regions. This study innovatively introduces an allometric growth model that offers a new perspective on understanding the mechanisms of regional health-resource growth and underscores the significant influence of economic factors on health-resource allocation. This study significantly contributes to the sustainability of urban health systems and provides theoretical support for policy formulations aimed at optimizing the allocation of health resources and strengthening regional economic strategies in the Yangtze River Delta region.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. The research processes for this paper.
Fig 2
Fig 2. Overview of the study area.
Fig 3
Fig 3. Spatial and temporal distribution of economic and health resources in YRD cities.
Notes: Based on the standard map GS (2019)1822 of the standard map service website of the Ministry of Natural Resources, the map boundary was not modified during ArcGIS production.
Fig 4
Fig 4. The Zipf’s law confidence of Health resources in the YRD Region, 2009–2022.
Notes: Parameter q represents the scale factor for the number of beds and doctors.
Fig 5
Fig 5. Allometric of beds number allometric types and their changes in YRD Cities, 2009–2022.
Notes: Based on the standard map GS (2019)1822 of the standard map service website of the Ministry of Natural Resources, the map boundary was not modified during ArcGIS production; a fast decline in the graph refers to a decrease in the allometric class of two or more grades during the study period, and a fast upgrade refers to an increase in the allometric class of two or more grades during the study period.
Fig 6
Fig 6. Allometric of doctors, number of allometric types and their changes in YRD Cities, 2009–2022.
Notes: Based on the standard map GS (2019)1822 of the standard map service website of the Ministry of Natural Resources, the map boundary was not modified during ArcGIS production; a fast decline in the graph refers to a decrease in the allometric class of two or more grades during the study period, and a fast upgrade refers to an increase in the allometric class of two or more grades during the study period.
See this image and copyright information in PMC

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