Skip to main content

Table 2 TST diameter by IGRA results

From: Evaluation of the tuberculin skin test and the interferon-γ release assay for TB screening in French healthcare workers

 

QFT

 

Negative

Positive

Total

TST

N

Row%

N

Row%

N

Col%

0-9 mm

46

90.2

5

9.8

51

34.5

10-14 mm

25

80.2

6

19.4

31

20.9

15-19 mm

19

67.9

9

32.1

28

18.9

20-40 mm

30

78.9

8

21.1

38

25.7

All

120

81.1

28

18.9

148

100.0

  1. P-value for trend: 0.081
  2. TST = Tuberculin Skin Test
  3. QFT = Quantiferon TB Gold in tube
  4. Row% = Row-Percent
  5. Col% = Column-Percent