QuantiFERON-TB Gold Plus Is a More Sensitive Screening Tool than QuantiFERON-TB Gold In-Tube for Latent Tuberculosis Infection among Older Adults in Long-Term Care Facilities

Author:

Chien Jung-Yien1,Chiang Hsiu-Tzy2,Lu Min-Chi3,Ko Wen-Chien4,Yu Chong-Jen1,Chen Yen-Hsu5,Hsueh Po-Ren16

Affiliation:

1. Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan

2. Infection Control Centre, MacKay Memorial Hospital, Taipei, Taiwan

3. Department of Microbiology and Immunology, School of Medicine, China Medical University, Taichung, Taiwan

4. Department of Internal Medicine, National Cheng Kung University Medical College and Hospital, Tainan, Taiwan

5. Division of Infectious Disease, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan

6. Department of Laboratory Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan

Abstract

We investigated the prevalence of latent tuberculosis infection (LTBI) among the residents in seven long-term care facilities (LTCFs) located in different regions of Taiwan and compared the performance of two interferon gamma release assays, i.e., QuantiFERON-TB Gold In-Tube (QFT-GIT) and QuantiFERON-TB Gold Plus (QFT-Plus) for screening LTBI. We also assessed the diagnostic performance against a composite reference standard (subjects with persistent-positive, transient-positive, and negative results from QFTs during reproducibility analysis were classified as definite, possible, and not LTBI, respectively).

Funder

CDC, Taiwan

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

Reference31 articles.

1. World Health Organization. 2016. Global tuberculosis report 2016. World Health Organization, Geneva, Switzerland.

2. Centers for Disease Control. 2017. Statistics of communicable diseases and surveillance report 2016. Centers for Disease Control, Ministry of Health and Welfare, Taipei, Taiwan.

3. Towards tuberculosis elimination: an action framework for low-incidence countries

4. Prevention of Tuberculosis in Older Adults in the United States: Obstacles and Opportunities

5. Tuberculosis among elderly persons, as observed among nursing home residents;Stead WW;Int J Tuberc Lung Dis,1998

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