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Table 3 Assumed specificity and sensitivity of TST and IGRA in cost-effectiveness studies depending on different countries

From: Systematic review of cost and cost-effectiveness of different TB-screening strategies

Country Specificity   Sensitivity
  TST/BCG QFT/
(T-SPOT)
  
  No Yes   TST QFT/
(T-SPOT)
Canada 2007 [23] 98% 60% 98% 95% 95%
Canada 2008 [22] 99% 62% 96% 99% 99%
Japan 2008 [24] 98% ≥ 15%* 96% 71% 76%
USA 2009 [25] 98% 70% 100% 67% 76%
Germany 2007 [27] 90% 60% 100% 90% 90%
Switzerland 2007 [28] 34% 34% - 88% 95%
UK 2010 [21] - 80% 95% 85% 89% (100%)
France 2010 [26] - 60% 96% 73% 76%
  1. * Depending on repeated BCG in adolescence and adulthood