Spatiotemporal clustering and hot spot analysis of visceral leishmaniasis in Gansu Province from 1993 to 2023
10.16250/j.32.1374.2024056
- VernacularTitle:1993—2023年甘肃省内脏利什曼病 时空聚集与热点分析
- Author:
Dawei YU
1
;
Aiwei HE
1
;
Yu FENG
1
;
Guobing YANG
1
;
Chengming YANG
1
;
Fan LI
1
Author Information
1. Gansu Provincial Center for Disease Control and Prevention, Lanzhou, Gansu 730000, China
- Publication Type:Journal Article
- Keywords:
Visceral leishmaniasis;
Epidemiological characteristic;
Spatiotemporal cluster;
Spatial autocorrelation analysis;
Hot spot analysis;
Gansu Province
- From:
Chinese Journal of Schistosomiasis Control
2024;36(4):334-338
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the spatiotemporal clustering characteristics of the reported incidence of visceral leishmaniasis (VL) in Gansu Province from 1993 to 2023, so as to provide insights into the containment of VL and prevention of VL recurrence. Methods County (district)-level epidemical data of VL in Gansu Province from 1993 to 2023 were collected, and the geographical information database of reported VL incidence in Gansu Province was created according to the county-level administrative code and electronic maps in Gansu Province. In addition, the spatial autocorrelation analysis and hot spot analysis of the reported VL incidence were performed in Gansu Province using the software ArcGIS 10.8. Results A total of 2 597 VL cases were reported in Gansu Province from 1993 to 2023, with an annual average incidence rate of 3.036/105. Spatial autocorrelation analysis showed spatial clustering of the reported VL incidence in Gansu Province (Moran’s I = 0.605, Z = 5.240, P < 0.001), appearing high-high clustering features (Getis-Ord G = 0.080, Z = 4.137, P < 0.001), and high-high clustering of the reported incidence of VL was identified in Diebu County, Tanchang County, Zhouqu County and Wenxian County. Hot spot analysis showed hot-spot areas of the reported VL incidence in Tanchang County, Zhouqu County, Wudu District and Wenxian County along the Bailong River basins and cold-spot areas in Qin’an County and Gangu County. Conclusions There was spatial clustering and hot spots of the reported VL incidence in Gansu Province from 1993 to 2023. Intensified surveillance and control is required to prevent the spread of VL.
