Table 3 Characteristics of TB index cases and their identified contacts, 2010–2018

12

14

8

19

10

26

33

29

41

192

 Sex (N = 98)

Male

2

4

1

6

4

7

11

13

8

56 (57.1%)

Female

8

4

1

1

3

6

9

4

6

42 (43.9%)

Unknown

2

6

6

12

3

13

13

12

27

94

23.0

31.5

41.5

35.5

31.0

29.0

31.5

31.0

55.0

31.0

 Nationality (region) (N = 48)

Africa

0

0

0

1

1

2

0

1

1

6 (12.5%)

The Americas

2

1

0

0

1

0

0

0

0

4 (8.3%)

Asia

0

0

0

0

0

2

2

1

1

6 (12.5%)

Eastern Europe

0

0

0

0

0

2

2

2

2

8 (16.7%)

Western Europe

0

1

3

1

2

5

4

3

5

24 (50.0%)

Unknown

10

12

5

17

6

15

25

22

32

144

 Smear microscopy (N = 159)

Positive

12

12

6

15

10

19

25

21

27

147 (92.5%)

negative

0

1

1

4

0

2

1

2

1

12 (7.5%)

Unknown

0

1

1

0

0

5

7

6

13

33

 Culture (N = 102)

Positive

8

9

3

13

4

6

17

9

10

79 (77.5%)

Negative

0

0

0

0

0

0

0

0

0

0 (0.0%)

Pending

0

1

3

1

2

3

3

5

5

23 (22.5%)

Unknown

4

4

2

5

4

17

13

15

26

90

 Chest X-ray (N = 109)

Normal

0

0

1

0

0

3

0

1

0

5 (4.6%)

Abnormal

2

5

2

7

3

4

7

6

5

41 (37.6%)

Cavitary lesions

7

3

3

9

4

4

16

7

10

63 (57.8%)

Unknown

3

6

2

2

4

15

10

15

26

83

 Diagnosis (N = 119)

Pan-sensitive TB

7

10

4

10

5

11

14

12

19

92 (77.3%)

Mono-resistant TB

1

1

0

3

0

3

1

1

1

11 (9.2%)

MDR-TB

1

0

0

1

1

2

7

3

0

15 (12.6%)

XDR-TB

0

0

0

0

0

0

1

0

0

1 (0.8%)

Unknown

3

3

4

5

4

10

10

13

21

73

 Infectious during exposure (N = 115)

Yes

10

6

6

11

4

12

18

14

18

99 (86.1%)

No

1

2

1

2

0

2

1

5

2

16 (13.9%)

Unknown

1

6

1

6

6

12

14

10

21

77

 Symptoms during exposure (N = 81)

Yes

9

3

3

4

2

6

11

11

13

62 (76.5%)

No

1

1

0

2

1

3

2

5

4

19 (23.5%)

Unknown

2

10

5

13

7

17

20

13

24

111

 Type of exposure (N = 192)

Flight contact

12

11

6

13

4

15

23

22

24

130 (67.7%)

Private contact

0

2

2

3

4

4

4

5

15

39 (20.3%)

Work contact

0

1

0

2

1

6

2

2

2

16 (8.3%)

School- or education-related contact

0

0

0

1

1

1

3

0

0

6 (3.1%)

Ship contact

0

0

0

0

0

0

1

0

0

1 (0.5%)

30

88

52

86

48

80

104

186

97

771

0 (0.0%)

3 (3.4%)

7 (13.5%)

0 (0.0%)

1 (2.1%)

2 (2.5%)

6 (5.8%)

5 (2.7%)

8 (8.2%)

32 (4.2%)

3 (0.1%)

7 (8.0%)

1 (1.9%)

1 (1.2%)

20 (4.2%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

2 (2.1%)

34 (4.4%)