2020
DOI: 10.1038/s41598-020-58459-9
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Factors associated with false negative interferon-γ release assay results in patients with tuberculosis: A systematic review with meta-analysis

Abstract: Which factors are related to false negative results of the interferon-γ release assay (iGRA) is unclear. This systematic review described the risk factors associated with false negative IGRA results. Two authors independently identified studies designed to evaluate risk factors for false negative IGRA results from PubMed, the Cochrane Register of Control Trial database, and EMBASE, accessed on October 22, 2018. Meta-analyses were conducted with random-effect models, and heterogeneity was calculated with the I … Show more

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Cited by 48 publications
(47 citation statements)
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“…Tuberculin skin test (TST) and with a greater sensibility and specificity, the interferon-gamma release assays (IGRAs) are widely used for TB screening [ 63 ]. Given their results are influenced by the host's immune response after MTB (or BCG) exposure [ 64 ], there is a gap for diagnostic errors in individuals with an impaired immune system, such as in a concurrent severe infection [ 65 , 66 ]. Increased age, low peripheral lymphocyte count, high body mass index, and immunosuppressive therapies were also associated with false-negative results [ 66 ] that could lead to missing TB diagnose.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Tuberculin skin test (TST) and with a greater sensibility and specificity, the interferon-gamma release assays (IGRAs) are widely used for TB screening [ 63 ]. Given their results are influenced by the host's immune response after MTB (or BCG) exposure [ 64 ], there is a gap for diagnostic errors in individuals with an impaired immune system, such as in a concurrent severe infection [ 65 , 66 ]. Increased age, low peripheral lymphocyte count, high body mass index, and immunosuppressive therapies were also associated with false-negative results [ 66 ] that could lead to missing TB diagnose.…”
Section: Discussionmentioning
confidence: 99%
“…Given their results are influenced by the host's immune response after MTB (or BCG) exposure [ 64 ], there is a gap for diagnostic errors in individuals with an impaired immune system, such as in a concurrent severe infection [ 65 , 66 ]. Increased age, low peripheral lymphocyte count, high body mass index, and immunosuppressive therapies were also associated with false-negative results [ 66 ] that could lead to missing TB diagnose. Moreover, an excess of inflammatory markers could affect IGRAs sensitivity, and the high value of C-reactive protein (CRP) might be a confounder for false-negative results [ 67 ].…”
Section: Discussionmentioning
confidence: 99%
“…In a previous case report, a patient with a history of TB treatment showed a negative IGRA result at their first visit, but developed TB reactivation during treatment with durvalumab, an anti-PD-L1 antibody, after chemoradiotherapy for stage III NSCLC. False-negative results are a major obstacle to screening for latent TB, and approximately 8-19% of patients show a negative IGRA result even when presenting with active TB ( 23 ). Indeterminate IGRA results are frequently reported in patients with malignancies and patients undergoing immunosuppressive therapy ( 24 ).…”
Section: Discussionmentioning
confidence: 99%
“…Tuberculin skin test (TST), and with a greater sensibility and specificity the interferon-gamma release assays (IGRAs), are widely used for TB screening (56). Given their results are influenced by the host’s immune response after MTB (or BCG) exposure (57), there is a gap for diagnostic errors in individuals with an impaired immune system, such as in a concurrent severe infection (58, 59). Increased age, low peripheral lymphocyte count, high body mass index and immunosuppressive therapies were also associated with false negative results (59) that could lead to missing TB diagnose.…”
Section: Discussionmentioning
confidence: 99%
“…Given their results are influenced by the host’s immune response after MTB (or BCG) exposure (57), there is a gap for diagnostic errors in individuals with an impaired immune system, such as in a concurrent severe infection (58, 59). Increased age, low peripheral lymphocyte count, high body mass index and immunosuppressive therapies were also associated with false negative results (59) that could lead to missing TB diagnose. Moreover, an excess of inflammatory markers could affect IGRAs sensitivity and the high value of C-reactive protein (CRP) might be a confounder for false negative results (60).…”
Section: Discussionmentioning
confidence: 99%