Spatial-temporal Distribution Characteristics of Pulmonary Tuberculosis in Eastern China from 2011 to 2021

Overview

Journal Epidemiol Infect

Publisher Cambridge University Press

Specialties Infectious Diseases
Public Health

Date 2024 May 15

PMID 38745412

Authors

Ke Chen

Liang Cheng

Hao Yu

Yong Zhou

Limei Zhu

Zhongqi Li

Tenglong Li

Leonardo Martinez

Qiao Liu

Bei Wang

Affiliations

Soon will be listed here.

Abstract

China is still among the 30 high-burden tuberculosis (TB) countries in the world. Few studies have described the spatial epidemiological characteristics of pulmonary TB (PTB) in Jiangsu Province. The registered incidence data of PTB patients in 95 counties of Jiangsu Province from 2011 to 2021 were collected from the Tuberculosis Management Information System. Three-dimensional spatial trends, spatial autocorrelation, and spatial-temporal scan analysis were conducted to explore the spatial clustering pattern of PTB. From 2011 to 2021, a total of 347,495 newly diagnosed PTB cases were registered. The registered incidence rate of PTB decreased from 49.78/100,000 in 2011 to 26.49/100,000 in 2021, exhibiting a steady downward trend (χ = 414.22, < 0.001). The average annual registered incidence rate of PTB was higher in the central and northern regions. Moran's I indices of the registered incidence of PTB were all >0 (< 0.05) except in 2016, indicating a positive spatial correlation overall. Local autocorrelation analysis showed that 'high-high' clusters were mainly distributed in northern Jiangsu, and 'low-low' clusters were mainly concentrated in southern Jiangsu. The results of this study assist in identifying settings and locations of high TB risk and inform policy-making for PTB control and prevention.

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