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Table 2 The results of TST and QFT-IT among active TB and non-TB disease.

From: The clinical utility of tuberculin skin test and interferon-γ release assay in the diagnosis of active tuberculosis among young adults: a prospective observational study

 

TST (n = 142*)

Total

QFT-IT (n = 138)

Total

 

positive

negative

 

positive

negative

 

TB

93

6

99

93

7

100

Non-TB

5

38

43

2

36

38

Total

98

44

142

95

43

138

  1. TB, tuberculosis; TST, tuberculin skin test; QFT-IT, QuantiFERON® TB Gold In-Tube assay
  2. *TST result was not available in one TB patient.
  3. QFT-IT results were indeterminate in five non-TB patients.