Analysis of epidemiological characteristics of pulmonary tuberculosis among students in Ordos, Inner Mongolia Autonomous Region from 2010 to 2019

doi:10.3969/j.issn.2096-8493.20210092

Abstract

Abstract:

Objective To explore the epidemiological characteristics of tuberculosis among students in Ordos, Inner Mongolia Autonomous Region, to provide feasible suggestions for tuberculosis prevention and control in schools. Methods Data of 314 student tuberculosis cases reported in Ordos, Inner Mongolia Autonomous Region from January 1, 2010 to December 31, 2019 were collected from the Tuberculosis Management Information System. The incidence, distribution characteristics, source of cases, and delay in diagnosis of tuberculosis were analyzed. Results From 2010 to 2019, the average annual incidence of tuberculosis among students in Ordos, Inner Mongolia Autonomous Region was 14.18/100000 (314/2215000), and the reported incidence decreased from 36.43/100000 (78/214100) in 2010 to 6.98/100000 (18/257800) in 2019, decreased by 80.84%, showing a downward trend year by year, the difference was statistically significant (χ ²=130.100, P=0.000). There were 128 pathogen-positive pulmonary tuberculosis patients, with an average reported incidence rate of 5.78/100000. The reported incidence rate decreased from 17.75/100000 (38/214100) in 2010 to 2.33/100000 (6/257800) in 2019, decreased by 86.87%, showing a downward trend year by year, the difference was statistically significant (χ ²=106.659, P=0.000). March to April and November each year were the peak periods of reported cases of tuberculosis among students, accounting for 38.54% (121/314) of the whole year. The top 4 areas with the number of cases were Dongsheng District (95 cases, 30.25%), Dalate Banner (52 cases, 16.56%), Wushen Banner (50 cases, 15.92%) and Zhungeer Banner (46 cases, 14.65%). The ratio of male to female cases was 1:1.08 (151/163), the incidence was concentrated in 16-20 years old (57.96%, 182/314), and the diagnosis was mainly based on referral (53.50%, 168/314), the delay rate of treatment was 52.23% (164/314), the diagnosis delay rate was 19.75% (62/314). Conclusion The incidence of tuberculosis in students in Ordos, Inner Mongolia Autonomous Region decreased year by year. The epidemic mainly occurred in Dongsheng District, Dalate Banner, Wushen Banner and Zhungeer Banner, and the incidence was high in those who aged 16-20 years. The prevention and control of tuberculosis in students should be enhanced in Spring and Winter.

Key words: Tuberculosis,pulmonary, Students, Epidemiologic studies, Cross-sectional studies

HAO Rui-xia, LI Bing, LIU Min, BAI Jun, QI Dan. Analysis of epidemiological characteristics of pulmonary tuberculosis among students in Ordos, Inner Mongolia Autonomous Region from 2010 to 2019[J]. Journal of Tuberculosis and Lung Disease , 2021, 2(4): 326-329. doi: 10.3969/j.issn.2096-8493.20210092

Figures/Tables 4

References 13

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年份	学生数 (万人)	活动性肺结核		病原学阳性肺结核
年份	学生数 (万人)	例数	报告发病率(/10万)	例数	报告发病率(/10万)
2010	21.41	78	36.43	38	17.75
2011	21.52	55	25.56	28	13.01
2012	20.33	32	15.74	13	6.39
2013	20.59	29	14.08	12	5.83
2014	20.79	28	13.47	9	4.33
2015	21.34	17	7.97	1	0.47
2016	22.30	15	6.73	2	0.90
2017	23.08	15	6.50	3	1.30
2018	24.36	27	11.08	16	6.57
2019	25.78	18	6.98	6	2.33
合计	221.50	314	14.18	128	5.78

年份	男性		女性
年份	例数	构成比(%)	例数	构成比(%)
2010	35	44.87	43	55.13
2011	25	45.45	30	54.55
2012	19	59.38	13	40.62
2013	15	51.72	14	48.28
2014	14	50.00	14	50.00
2015	9	52.94	8	47.06
2016	7	46.67	8	53.33
2017	7	46.67	8	53.33
2018	9	33.33	18	66.67
2019	11	61.11	7	38.89
合计	151	48.09	163	51.91

年份	6~10岁		11~15岁		16~20岁		21~25岁		26~29岁
年份	例数	构成比(%)	例数	构成比(%)	例数	构成比(%)	例数	构成比(%)	例数	构成比(%)
2010	2	2.56	12	15.38	42	53.85	21	26.92	1	1.28
2011	0	0.00	5	9.09	35	63.64	15	27.27	0	0.00
2012	1	3.12	2	6.25	19	59.38	10	31.25	0	0.00
2013	1	3.45	1	3.45	20	68.97	7	24.13	0	0.00
2014	0	0.00	1	3.57	22	78.57	5	17.86	0	0.00
2015	1	5.88	2	11.76	8	47.06	6	35.30	0	0.00
2016	0	0.00	2	13.33	9	60.00	4	26.67	0	0.00
2017	0	0.00	1	6.67	10	66.67	4	26.66	0	0.00
2018	0	0.00	1	3.70	5	18.52	16	59.26	5	18.52
2019	0	0.00	2	11.11	12	66.67	4	22.22	0	0.00
合计	5	1.59	29	9.24	182	57.96	92	29.30	6	1.91

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