Evaluation of the QuantiFERON®-TB Gold In-Tube assay and tuberculin skin test for the diagnosis of Mycobacterium tuberculosis infection in northeastern Thailand

Conclusion: The TST should be used as a screening test based on its higher sensitivity, whereas the QFT should be used as a confirmatory test because of its higher specificity. 
Source: Asian Pacific Journal of Allergy and Immunology - Category: Allergy & Immunology Source Type: research