Figure 1From: Value of the tuberculin skin testing and of an interferon-gamma release assay in haemodialysis patients after exposure to M. tuberculosis Results of the Tuberculin Skin Test and of the Quantiferon®-TB Gold in-Tube assay. TST-1: Tuberculin skin test result in the first-step testing. TST-2: Tuberculin skin test result in the second-step testing (15 days after TST-1). QFT: Quantiferon®-TB Gold in-tube assay.Back to article page