QFT-GIT    
    (-) ( ) (+) Total
  (-) 67 16 11 94
  (71.2%) (17.0%) (11.7%) (100%)
 
QFT-G ( ) 2 4 2 8
(25%) (50%) (25%) (100%)
 
  (+) 0 1 17 18
  (0%) (6%) (94%) (100%)
  Total 69 21 30 120
(+): IFN- level > 0.35 IU/ml, (±): 0.1 ≤ IFN- level < 0.35, (-): IFN- level < 0.1 IU/ml
Table 1: Comparison of simultaneous QFT-G and QFT-GIT assays.