关键词:

肺结核, 流行特征, 空间分布

Abstract:

Objective　To analyze the spatial distribution characteristics of tuberculosis (TB) and to grasp the key areas where TB aggregation occurs in Guangzhou from 2018 to 2021, and to provide evidences for the disease prevention and control measures. Methods　The information of TB patients whose current address was Guangzhou from 2018 to 2021 was collected through the Tuberculosis Management Information System, a subsystem of the Chinese Disease Prevention and Control Information System. Spatial scans were conducted and spatial distribution maps were drawn at the district level to analyze the spatial aggregation of TB. Results　A total of 34 306 cases of TB were reported in Guangzhou from 2018 to 2021. The average annual incidence was 46.46/100 000. There were 22 891 males and 11 415 females, with a male to female ratio of 2.01:1. The highest proportion of young adults, 25-<35 years old, was 23.06% (7 910/34 306). Among the occupations, the proportion of domestic work and non-working was the highest, at 45.77% (15 701/34 306). The ratio of local domicile to floating population was 1.03:1. TB aggregation areas were mainly in the central urban areas including Yuexiu, Haizhu, Liwan, and Tianhe, and the suburban areas including Baiyun and Huangpu. The aggregation areas had extended to the distant suburban areas of Guangzhou such as Zengcheng and Conghua. Conclusions　TB incidence in Guangzhou displays spatial aggregation at the district level, from 2018 to 2021, and mainly in the central urban areas and suburban areas, with a tendency to spread to the distant suburban areas. Surveillance in the key areas should be strengthened, and scientific, objective, and feasible TB prevention and control measures should be carried out.

Key words:

Tuberculosis, Epidemiological characteristics, Spatial distribution