Epidemiological characteristics of pulmonary tuberculosis patientsaged 60 years and older in Quzhou City
WANG Min1, WANG Wei2, HAO Xiaogang2, LU Mei3, FANG Chunfu2, LIU Kui4, CHEN Songhua4
1. Administration Office, Quzhou Blood Center, Quzhou, Zhejiang 324000, China; 2. Quzhou Center for Disease Control and Prevention, Quzhou, Zhejiang 324000, China; 3. Kaihua Center for Disease Control and Prevention, Kaihua, Zhejiang 324300, China; 4. Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang 310051, China
Abstract：Objective To analyze the epidemiological characteristics of pulmonary tuberculosis cases at ages of 60 years and older in Quzhou City, Zhejiang Province, so as to provide the evidence for formulating the pulmonary tuberculosis control strategy among the elderly. Methods The data pertaining to pulmonary tuberculosis cases at ages of 60 years and older in Quzhou City from 2010 to 2020 were collected through the Tuberculosis Management Information System of the China Disease Prevention and Control Information System. The trends for incidence, population distribution, diagnosis and treatment of pulmonary tuberculosis cases aged 60 years and older were analyzed using a descriptive epidemiological method. Results Totally 8 754 pulmonary tuberculosis cases aged 60 years and older were reported in Quzhou City from 2010 to 2020, accounting for 47.65% of all pulmonary tuberculosis cases, and the number of pulmonary tuberculosis appeared a tendency towards a rise ( χ2trend=173.320, P<0.001 ), while the incidence of pulmonary tuberculosis showed a tendency towards a decline ( χ2trend=389.820, P<0.001 ), with an annual decline rate of 177.11/105. There were 4 307 smear-positive pulmonary tuberculosis cases, accounting for 58.71% of all smear-positive cases, and the number of smear-positive pulmonary tuberculosis cases showed a tendency towards a rise ( χ2trend=126.320, P<0.001 ), while the proportion of smear-positive cases showed a tendency towards a decline ( χ2trend=21.680, P<0.001 ), with an annual smear-positive rate of 87.14/105. The incidence of pulmonary tuberculosis was 256.94/105 among males and 91.43/105 among females at ages of 60 years and older ( χ2=20.903, P<0.001 ). The highest incidence of pulmonary tuberculosis was seen in patients aged 80 to 84 years ( 235.17/105 ), and farmers were the predominant occupation ( 7 171 cases, 81.92% ), while the highest number of cases was reported in Quzhou City (8 676 cases, 99.11%). There were 7 752 treatment-naïve cases ( 88.55% ), while 5 830 cases with delay in seeking healthcare services, and the proportion of delay in seeking healthcare services showed a tendency towards a rise from 2010 to 2020 ( χ2trend=4.853, P=0.028 ), with an annual mean delay rate of was 66.60%. Conclusion The incidence of pulmonary tuberculosis appeared a tendency towards a decline among patients aged 60 years and older in Quzhou City from 2010 to 2020, and the elderly aged 80 years and older and farmers should be paid more attention.
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