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LETTER TO THE EDITOR
Year : 2010  |  Volume : 5  |  Issue : 2  |  Page : 119
QuantiFERON-TB gold test versus tuberculin skin test


Wiwanitkit House, Bangkhae, Bangkok 10160, Thailand

Date of Web Publication13-Apr-2010

Correspondence Address:
Viroj Wiwanitkit
Wiwanitkit House, Bangkhae, Bangkok 10160
Thailand
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DOI: 10.4103/1817-1737.62479

PMID: 20582181

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How to cite this article:
Wiwanitkit V. QuantiFERON-TB gold test versus tuberculin skin test. Ann Thorac Med 2010;5:119

How to cite this URL:
Wiwanitkit V. QuantiFERON-TB gold test versus tuberculin skin test. Ann Thorac Med [serial online] 2010 [cited 2020 Aug 4];5:119. Available from: http://www.thoracicmedicine.org/text.asp?2010/5/2/119/62479


Sir,

I read the recent publication on the diagnosis of tuberculosis with a great interest. [1] Mardani et al. concluded that 'QFT-G has been shown to be a more accurate tool to detect LTBI,' and 'Detecting LTBI in HIV-positive individuals showed moderate agreement between QFT-G and LTBI in our study'. [1] Indeed, there are many recent publications on this topic. Saracino et al. performed a similar study in Italy and reported that QFT-G might increase the identification of LTBI cases. [2] I agree that the results from this report might support an acceptable diagnostic property of QFT-G; however, there are still some concerns on this report. First, the author uses only a few subjects for assessment of the new diagnostic test. This number is questionable for statistical acceptability. Second, an important part of evaluation, the study on sensitivity and specificity was not done. Third, it is interesting to compare cost effective of the new approach to the classical tuberculin skin test. Recently, Ito et al. reported that 'Estimated cost of annual QFT tests among general female nurses in Japan to prevent tuberculosis disease is very high, and annual QFT tests could not be recommended'. [3]

 
   References Top

1.Mardani M, Tabarsi P, Mohammadtaheri Z, Chitsaz E, Farokhzad B, Hadavand F, et al. Performance of QuantiFERON-TB Gold test compared to tuberculin skin test in detecting latent tuberculosis infection in HIV- positive individuals in Iran. Ann Thorac Med 2010;5:43-6.  Back to cited text no. 1    Medknow Journal  
2.Saracino A, Scotto G, Fornabaio C, Martinelli D, Faleo G, Cibelli D, et al. QuantiFERON-TB Gold In-Tube test (QFT-GIT) for the screening of latent tuberculosis in recent immigrants to Italy. New Microbiol 2009;32:369-76.  Back to cited text no. 2  [PUBMED]    
3.Ito K. Efficiency of periodic QuantiFERON-TB Gold test in hospital nurses. Kekkaku 2009;84:709-12.  Back to cited text no. 3  [PUBMED]    



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