Abstract
ObjectivePulmonary tuberculosis (TB) is a severe infectious respiratory disease, the burden of which remains high in China. To provide scientific evidence for developing more targeted prevention and control strategies, this study aimed to determine the incidence trends and explore the epidemiological characteristics of pulmonary TB in Anhui Province, Eastern China between 2013 and 2018.MethodsThe retrospective study analyzed information regarding pulmonary TB cases reported by the National Infectious Disease Reporting System and census data collected from the Anhui Provincial Bureau of Statistics.ResultsOverall, 211,892 cases of TB patients were reported in Anhui Province, China between 2013 and 2018, with an average annual reported incidence rate of 57.7 per 100,000 persons. A significant decrease in the incidence rate of pulmonary TB (p < 0.001) was observed during the study period. Men had a higher incidence rate of pulmonary TB than women (p < 0.001). The highest annual average reported incidence rate was 204.2 per 100,000 persons in those aged 70–74 years. The number of farmers with pulmonary TB, i.e., 155,415, accounted for 73.4% of all cases. Moreover, the peak period of reported cases was from January to March. Four cities along the Yangtze River—Anqing, Tongling, Chizhou, and Wuhu—reported significantly higher incidence rates of pulmonary TB than other cities (p < 0.001).ConclusionsFrom 2013 to 2018, there was a significant decline in the incidence rate of pulmonary TB in Anhui Province, with peaks occurring from January to March. Prevention and control strategies targeting men, people aged 70–74 years, farmers, and the four cities along the Yangtze River should be strengthened.
Highlights
From 2013 to 2018, there was a significant decline in the incidence rate of pulmonary TB in Anhui Province, with peaks occurring from January to March
Tuberculosis (TB) is an infectious disease caused by the bacillus Mycobacterium tuberculosis (M. tuberculosis), which most commonly affects the lungs and spreads when people with pulmonary TB expel the bacteria into the air [1, 2]
Between 2013 and 2018, a total of 211,892 cases of pulmonary TB were reported in Anhui Province, China, with an average annual reported incidence rate of 57.7 per 100,000 persons
Summary
Tuberculosis (TB) is an infectious disease caused by the bacillus Mycobacterium tuberculosis (M. tuberculosis), which most commonly affects the lungs (pulmonary TB) and spreads when people with pulmonary TB expel the bacteria into the air [1, 2]. TB can lie dormant in individuals for decades and may be reactivated later, leading to widespread systemic symptoms [3]. This infectious disease is among the 10 leading causes of death worldwide, ranking above HIV/AIDS [4, 5]. According to WHO reports, an estimated 10 million people were living with TB in 2017, with an incidence rate of 133.0 per 100,000 persons [9]. According to statistics from the National Information System For Disease Control And Prevention (NISDCP), the reported incidence rate of TB in Anhui Province (55.8 per 100,000 persons) in 2017 ranked 28th among the 31 provinces (autonomous regions and municipalities). The number of pulmonary TB cases reported in Anhui Province (34,561) accounted for 4.1% of new cases nationwide, ranking ninth in the country
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