Assay result

All participants
n= 211

Immunocompetent
n= 94

Immunocompromised
n= 117


TST
   
Positive*

38 (18)

26 (27.7)

12 (10.3)

Negative

173 (82)

68 (72.3)

105 (89.7)

QFTIT
   
Positive†

49 (23.2)

24 (25.5)

25 (21.4)

Negative

128 (60.7)

61 (64.9)

67 (57.3)

Indeterminate‡

34 (16.1)

9 (9.6)

25 (21.4)

 Data are presented as numbers (percentages) unless otherwise indicated.
 QFTIT, QuantiFERONTB Gold InTube; TST, tuberculin skin test.

*p 0.001 for the difference in the number of positive TST results between the groups.
 †p 0.068 for the difference of QFTIT results between the groups.
 ‡p 0.021 for the difference in the proportion of indeterminate QFTIT results between the groups.