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KMID : 1039220170270030238
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Journal of Korean Society of Occupational and Environmental Hygiene
2017 Volume.27 No. 3 p.238 ~ p.244
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Prevalence of and Risk factors for Latent Tuberculosis Infection among Employees at a Workers' Compensation Hospital
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Hwang Joo-Hwan
Jeong Ji-Young
Choi Byung-Soon
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Abstract
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Objectives: The major objective of this study was to investigate the prevalence of and risk factors for latent tuberculosis infection (LTBI) among employees at a workers' compensation hospital.
Methods: Among the 394 employees at Incheon Hospital, 362 were enrolled in the study. An interferon-gamma release assay(IGRA) for diagnosis of LTBI was performed using QuantiFERONR TB Gold In-Tube(QFT-IT). Risk factors for LTBI were analyzed using logistic regression analysis.
Results: The overall prevalence of LTBI was 32.0%(116/362). The non-medical departments have a significantly high prevalence compared to medical departments(39.7% vs 23.2%). In multivariate logistic regression analysis, experience working in the pneumoconiosis hospital(OR, 3.6; 95% CI, 1.3-10.3) was associated with development of LTBI.
Conclusions: Korean guidelines for the management of tuberculosis recommend annual regular health examinations for TB and LTBI for health care workers(HCWs). Considering the high prevalence of and risk factors for LTBI among non-HCWs, it suggests a need for annual regular health examinations for TB and LTBI for all employees at workers' compensation hospitals, including pneumoconiosis hospitals.
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KEYWORD
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health care workers(HCWs), interferon-gamma release assay (IGRA), latent tuberculosis infection(LTBI), Tuberculosis (TB), workers' compensation hospital
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