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Table 1 Characteristics of study population

From: Comparison of two interferon gamma release assays in the diagnosis of Mycobacterium tuberculosis infection and disease in The Gambia

Characteristics

Contacts

Sleeping proximity gradient

Cases

ALL

 

Separate house

Separate room

Same room

  
 

n = 38

n = 115

n = 41

n = 80

n = 274

Age, years

     

   Mean

29.7

30.0

34.3

31.2

31.0

   Median (IQR)

26.5(19–36)

25.0(18–36)

32.0(25–44)

30(23–36)

28(20–37)

Sex

     

   Male

18(47.4)

38(33.1)

20(48.8)

51(63.8)

127(46.4)

   Female

20(52.6)

77(66.9)

21(51.2)

29(36.2)

147(53.6)

Ethnic group

     

Madinka

11(28.9)

47(40.9)

17(41.5)

26(32.5)

101(36.9)

Jola

7(18.4)

32(27.8)

7(17.0)

19(23.8)

65(23.7)

Wollof

2(5.3)

10(8.7)

5(12.2)

8(10.0)

25(9.1)

Fula

8(21.1)

7(6.1)

4(9.8)

11(13.7)

30(11.0)

Others

10(26.3)

19(16.5)

8(19.5)

16(20.0)

53(19.3)

Clinical Findings

     

   BCG scar

     

Absent

20(55.6)

48(43.6)

24(66.7)

34(42.5)

126(46.0)

Present

16(44.4)

59(53.7)

9(25.0)

19(23.8)

103(37.6)

Uncertain

0(0.0)

3(2.7)

3(8.3)

27(33.7)

45(16.4)

HIV results*

     

Positive

0(0.0)

3(2.6)

0(0.0)

7(8.8)

10(3.7)

  1. Data are no. (%) of persons unless stated otherwise.
  2. BCG, Bacille Calmette-Guérin
  3. *Data are for 178 contacts and 77 cases.