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ORIGINAL ARTICLE
The growing burden of childhood tuberculosis in Southern Tunisia: temporal trends across two decades: 1995-2016
Mounir Ben Jemaa
2,4
1
Community Health and Epidemiology Department, Hedi Chaker University Hospital, University of Sfax, Tunisia
2
Extra-pulmonary Research Unit, Hedi Chaker University Hospital, Sfax, Tunisia
3
Pediatric Department, Hedi Chaker University Hospital, University of Sfax, Tunisia
4
Infectious Diseases Department, Hedi Chaker University Hospital, University of Sfax, Tunisia
Online publication date: 2019-07-16
Publication date: 2019-07-16
Electron J Gen Med 2019;16(4):em145
KEYWORDS
TOPICS
ABSTRACT
Background:
In recent years, childhood tuberculosis (TB) has attracted global interest after a long period of neglect. We aimed to give an update about the epidemiological profile of childhood TB in south of Tunisia and to describe their chronological trends from 1995 to 2016.
Methods:
We retrospectively collected data of TB new cases in children aged <15 years between 1995 and 2016 in Southern Tunisia. Joinpoint Regression Analysis was performed to analyze chronological trends and annual percentage changes (APC) were estimated.
Results:
Overall, 204 cases of TB were noted in children. The average incidence rate of overall TB was 4.09/100000 population/year. There was a significant rise in extrapulmonary tuberculosis (EPTB) incidence (APC=2.76%; 95% confidence interval (95% CI)=[0.40-5.00]), while pulmonary tuberculosis PTB incidence rate showed a non-significant decrease over time. The under-fives had a significant growing trend (APC of 3.95%; 95% CI=[0.80-7.30]). We noted a significant upward trend of TB incidence in rural districts (APC=4.91%; 95% CI=[1.90-8.10]). Trends analysis by anatomical site indicated an increase in lymph node TB new cases (APC=5.26%; 95% CI=[2.80-7.80]).
Conclusions:
A significant rise in TB incidence rate was observed in TB cases, EPTB, notably lymph node, the under-fives and rural districts inhabitants. An increased focus on groups at high risk and implementing preventive strategies in this highly vulnerable population is warranted.
In recent years, childhood tuberculosis (TB) has attracted global interest after a long period of neglect. We aimed to give an update about the epidemiological profile of childhood TB in south of Tunisia and to describe their chronological trends from 1995 to 2016.
Methods:
We retrospectively collected data of TB new cases in children aged <15 years between 1995 and 2016 in Southern Tunisia. Joinpoint Regression Analysis was performed to analyze chronological trends and annual percentage changes (APC) were estimated.
Results:
Overall, 204 cases of TB were noted in children. The average incidence rate of overall TB was 4.09/100000 population/year. There was a significant rise in extrapulmonary tuberculosis (EPTB) incidence (APC=2.76%; 95% confidence interval (95% CI)=[0.40-5.00]), while pulmonary tuberculosis PTB incidence rate showed a non-significant decrease over time. The under-fives had a significant growing trend (APC of 3.95%; 95% CI=[0.80-7.30]). We noted a significant upward trend of TB incidence in rural districts (APC=4.91%; 95% CI=[1.90-8.10]). Trends analysis by anatomical site indicated an increase in lymph node TB new cases (APC=5.26%; 95% CI=[2.80-7.80]).
Conclusions:
A significant rise in TB incidence rate was observed in TB cases, EPTB, notably lymph node, the under-fives and rural districts inhabitants. An increased focus on groups at high risk and implementing preventive strategies in this highly vulnerable population is warranted.
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