Visualized Exploratory Spatiotemporal Analysis of Hand-Foot-Mouth Disease in Southern China

Ji-Xia Huang, Jin-Feng Wang, Zhong-Jie Li, Yan Wang, Sheng-Jie Lai and Wei-Zhong Yang

PLOS ONE, 2015, vol. 10, issue 11, 1-17

Abstract: Objectives: In epidemiological research, major studies have focused on theoretical models; however, few methods of visual analysis have been used to display the patterns of disease distribution. Design: For this study, a method combining the space-time cube (STC) with space-time scan statistics (STSS) was used to analyze the pattern of incidence of hand-foot-mouth disease (HFMD) in Guangdong Province from May 2008 to March 2009. In this research, STC was used to display the spatiotemporal pattern of incidence of HFMD, and STSS were used to detect the local aggregations of the disease. Setting: The hand-foot-mouth disease data were obtained from Guangdong Province from May 2008 to March 2009, with a total of 68,130 cases. Results: The STC analysis revealed a differential pattern of HFMD incidence among different months and cities and also showed that the population density and average precipitation are correlated with the incidence of HFMD. The STSS analysis revealed that the most likely aggregation includes the Shenzhen, Foshan and Dongguan populations, which are the most developed regions in Guangdong Province. Conclusion: Both STC and STSS are efficient tools for the exploratory data analysis of disease transmission. STC clearly displays the spatiotemporal patterns of disease. Using the maximum likelihood ratio, the STSS model precisely locates the most likely aggregation.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0143411

DOI: 10.1371/journal.pone.0143411

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