The burden and predictors of latent tuberculosis infection among immigrants in South Korea: a retrospective cross-sectional study

Abstract Background Approximately one-fourth of the global population is latently infected with Mycobacterium tuberculosis. An understanding of the burden of latent tuberculosis infection (LTBI) among immigrants compared with the general Korean population should be the first step in identifying prio...

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Autores principales:	Sarah Yu, Dawoon Jeong, Hongjo Choi
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Tuberculosis screening Immigrant screening Standardized prevalence ratio Infectious and parasitic diseases RC109-216
Acceso en línea:	https://doaj.org/article/3ffeb7eb082e4d5d8b73b05ed457e192
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spelling	oai:doaj.org-article:3ffeb7eb082e4d5d8b73b05ed457e1922021-12-05T12:26:08ZThe burden and predictors of latent tuberculosis infection among immigrants in South Korea: a retrospective cross-sectional study10.1186/s12879-021-06922-x1471-2334https://doaj.org/article/3ffeb7eb082e4d5d8b73b05ed457e1922021-12-01T00:00:00Zhttps://doi.org/10.1186/s12879-021-06922-xhttps://doaj.org/toc/1471-2334Abstract Background Approximately one-fourth of the global population is latently infected with Mycobacterium tuberculosis. An understanding of the burden of latent tuberculosis infection (LTBI) among immigrants compared with the general Korean population should be the first step in identifying priority groups for LTBI diagnosis and treatment. The study aimed to compute the age-standardized LTBI prevalence and predictors among immigrants with LTBI in South Korea. Methods In 2018, the Korea Disease Control and Prevention Agency implemented a pilot LTBI screening project for immigrants using a chest radiography and the QuantiFERON Gold In-Tube assay. A standardized prevalence ratio (SPR) was computed to compare the LTBI burden in immigrants and the general Korean population. Results During the duration of the project, a total of 8108 immigrants (5134 males and 2974 females) underwent LTBI screening. The SPR of 1.547 (95% confidence interval [CI] 1.468–1.629) in males and 1.261 (95% CI 1.177–1.349) in females were both higher than the Korean reference population. Furthermore, among the immigrants, those aged < 40 years and Korean diaspora visa holders had a higher SPR. Conclusion This study found a higher LTBI prevalence among immigrant population in South Korea compared to that in the general Korean population, and the SPR was higher among those aged < 40 years and the Korean diaspora. The findings can be used as baseline evidence for including immigrants in South Korea in the at-risk group with a priority need for LTBI screening and treatment.Sarah YuDawoon JeongHongjo ChoiBMCarticleTuberculosis screeningImmigrant screeningStandardized prevalence ratioInfectious and parasitic diseasesRC109-216ENBMC Infectious Diseases, Vol 21, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Tuberculosis screening Immigrant screening Standardized prevalence ratio Infectious and parasitic diseases RC109-216
spellingShingle	Tuberculosis screening Immigrant screening Standardized prevalence ratio Infectious and parasitic diseases RC109-216 Sarah Yu Dawoon Jeong Hongjo Choi The burden and predictors of latent tuberculosis infection among immigrants in South Korea: a retrospective cross-sectional study
description	Abstract Background Approximately one-fourth of the global population is latently infected with Mycobacterium tuberculosis. An understanding of the burden of latent tuberculosis infection (LTBI) among immigrants compared with the general Korean population should be the first step in identifying priority groups for LTBI diagnosis and treatment. The study aimed to compute the age-standardized LTBI prevalence and predictors among immigrants with LTBI in South Korea. Methods In 2018, the Korea Disease Control and Prevention Agency implemented a pilot LTBI screening project for immigrants using a chest radiography and the QuantiFERON Gold In-Tube assay. A standardized prevalence ratio (SPR) was computed to compare the LTBI burden in immigrants and the general Korean population. Results During the duration of the project, a total of 8108 immigrants (5134 males and 2974 females) underwent LTBI screening. The SPR of 1.547 (95% confidence interval [CI] 1.468–1.629) in males and 1.261 (95% CI 1.177–1.349) in females were both higher than the Korean reference population. Furthermore, among the immigrants, those aged < 40 years and Korean diaspora visa holders had a higher SPR. Conclusion This study found a higher LTBI prevalence among immigrant population in South Korea compared to that in the general Korean population, and the SPR was higher among those aged < 40 years and the Korean diaspora. The findings can be used as baseline evidence for including immigrants in South Korea in the at-risk group with a priority need for LTBI screening and treatment.
format	article
author	Sarah Yu Dawoon Jeong Hongjo Choi
author_facet	Sarah Yu Dawoon Jeong Hongjo Choi
author_sort	Sarah Yu
title	The burden and predictors of latent tuberculosis infection among immigrants in South Korea: a retrospective cross-sectional study
title_short	The burden and predictors of latent tuberculosis infection among immigrants in South Korea: a retrospective cross-sectional study
title_full	The burden and predictors of latent tuberculosis infection among immigrants in South Korea: a retrospective cross-sectional study
title_fullStr	The burden and predictors of latent tuberculosis infection among immigrants in South Korea: a retrospective cross-sectional study
title_full_unstemmed	The burden and predictors of latent tuberculosis infection among immigrants in South Korea: a retrospective cross-sectional study
title_sort	burden and predictors of latent tuberculosis infection among immigrants in south korea: a retrospective cross-sectional study
publisher	BMC
publishDate	2021
url	https://doaj.org/article/3ffeb7eb082e4d5d8b73b05ed457e192
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The burden and predictors of latent tuberculosis infection among immigrants in South Korea: a retrospective cross-sectional study

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