Epidemiological characteristics of pulmonary tuberculosis among teachers in Chongqing from 2016 to 2020
Objective To understand the epidemiological characteristics of pulmonary tuberculosis in teachers of Chongqing,and to provide reference for further promoting the prevention and control of pulmonary tuberculosis in schools.Methods The medical records of tuberculosis patients of teachers in Chongqing registered in the tuberculosis management information system from 2016 to 2020 were collected,and the number of full-time teachers at all levels and in all types of schools in the Chongqing statistical yearbook were obtained.The registration,epidemiological characteristics and treatment delay of teachers with pulmonary tuberculosis were analyzed.SPSS 25.0 was used for Chi-square test and trend Chi-square test,and α=0.05 was the test level.Results From 2016 to 2020,the registration rate of pulmonary tuberculosis among teachers in Chongqing was 26.31/105;and the registration rate of positive pathogens was 8.20/105,showing an increasing trend year by year(x2trend=15.485,P＜0.001).The sex ratio of the patients was 0.93∶1;the age of the patients was mainly under 40 years;and the time distribution of the cases was not seasonal.In terms of regional distribution,the proportion of patients was the highest in town groups of the Three Gorges Reservoir Area in Northeast Chongqing.The registration rates of cases with education levels from high to low were ordinary primary schools(30.75/105),ordinary middle schools(27.97/105),kindergartens(23.71/105)and ordinary colleges and universities(11.82/105),with the statistically significant difference(x2=23.533,P＜0.001).The registration rate of ordinary colleges and universities was significantly lower.Passive detection was the main way of finding cases.The median number of days of health-care seeking delay was 39 days,and the health-care seeking delay rate was 60.72％.The overall delay rate of health-care seeking in five years showed a downward trend(x2trend=5.369,P=0.021).The median number of days of diagnosis delay was 23 days,the diagnosis delay rate was 16.48％.Conclusions The registration situation of pulmonary tuberculosis among patients in Chongqing is not optimistic,which needs to be paid to great attention.Strengthening the prevention and treatment of teachers and students together is of great significance for the control of tuberculosis epidemic in school.
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