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Clinical usefulness of T-SPOT.TB in the diagnosis tuberculosis in emergency patients


To evaluate the diagnostic value of an interferon-gamma release assay T-SPOT.TB in tuberculosis of emergency patients.


The emergency patients with suspected tuberculosis received T-SPOT.TB assay in the peripheral blood mononuclear cells(PBMCs).


T-SPOT.TB assay, PPD, anti-TB antibody test, M tuberculosis polymerase chain reaction, acid-fast bacilli stain and cultures for M tuberculosis were positive in 96.8%(31/32), 43.7%(14/32), 21.8%(7/32), 15.6%(5/32), 13.0%(3/23) and 4.3%(1/23), respectively, of patients with active tuberculosis. The sensitivity and specificity of the T-SPOT.TB were 96.8% and 98.3%.


T-SPOT.TB assay is a rapid and high-sensitive tests for diagnosing tuberculosis in emergency patients.

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Correspondence to YIN Wen.

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Open Access This article is published under license to BioMed Central Ltd. This is an Open Access article is distributed under the terms of the Creative Commons Attribution License ( ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Xiao-min, H., Jian, L., Long, L. et al. Clinical usefulness of T-SPOT.TB in the diagnosis tuberculosis in emergency patients. BMC Emerg Med 12 (Suppl 1), A7 (2012).

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