Efficacy and Risk Factors of Interferon-Gamma Release Assays among HIV-Positive Individuals

Huifang Qin, Yiting Wang, Liwen Huang, Yan Huang, Jing Ye, Guijin Liang, Chongxing Zhou, Dabin Liang, Xiaoyan Liang, Yanlin Zhao () and Mei Lin ()
Additional contact information
Huifang Qin: Guangxi Key Laboratory of Major Infectious Disease Prevention and Control and Biosafety Emergency Response, Nanning 530028, China
Yiting Wang: Institute for Immunization and Prevention, Beijing Center for Disease Prevention and Control, Beijing 100013, China
Liwen Huang: Guangxi Zhuang Autonomous Region Center for Disease Control and Prevention, Nanning 530028, China
Yan Huang: Guangxi Key Laboratory of Major Infectious Disease Prevention and Control and Biosafety Emergency Response, Nanning 530028, China
Jing Ye: Guangxi Key Laboratory of Major Infectious Disease Prevention and Control and Biosafety Emergency Response, Nanning 530028, China
Guijin Liang: Guangxi Zhuang Autonomous Region Center for Disease Control and Prevention, Nanning 530028, China
Chongxing Zhou: Guangxi Key Laboratory of Major Infectious Disease Prevention and Control and Biosafety Emergency Response, Nanning 530028, China
Dabin Liang: Guangxi Key Laboratory of Major Infectious Disease Prevention and Control and Biosafety Emergency Response, Nanning 530028, China
Xiaoyan Liang: Guangxi Zhuang Autonomous Region Center for Disease Control and Prevention, Nanning 530028, China
Yanlin Zhao: National Tuberculosis Reference Laboratory, Chinese Center for Disease Control and Prevention, Beijing 102206, China
Mei Lin: Guangxi Key Laboratory of Major Infectious Disease Prevention and Control and Biosafety Emergency Response, Nanning 530028, China

IJERPH, 2023, vol. 20, issue 5, 1-9

Abstract: Latent tuberculosis is prevalent in HIV-infected people and has an impact on the progression of AIDS. The aim of this study is to match a more accurate IGRA method for the better detection of latent tuberculosis infection in HIV patients. All 2394 patients enrolled were tested using three IGRA methods. The positive rate consistency of pairwise comparison and risk factors were analyzed. Receiver operator characteristic (ROC) curve analysis was applied to evaluate the diagnostic value of T-SPOTTB. The positive rates of the three methods were statistically different ( p < 0.001). The CD4 + T cell number statistically impacted the QuantiFERON and Wan Tai tests after the analysis with univariate logistic regression, while no statistical difference was observed in T-SPOT.TB. Additionally, there was a better sensitivity and specificity of T-SPOT.TB if the positive cut-off value of ESAT-6 and CFP-10 was 4.5 and 5.5, respectively. This study provides an insight into the IGRA methods and demonstrated that the positive response detected via QuantiFERON declined with decreased CD4 + T cells in the HIV-infected population; T-SPOT.TB functions independently of the CD4 + T cell level and Wan Tai was affected in some cases. This will be useful in the diagnosis of LTBI in the HIV-infected population, which will be a key step toward TB elimination in China.

Keywords: IGRA; latent TB infection; HIV (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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