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Table 3 TB prevalence and ARTI by age quartile for the 10 mm cut-off point for the three surveys combined (excluding HIV-infected and second tests in repeat TST participants):

From: Force of tuberculosis infection among adolescents in a high HIV and TB prevalence community: a cross-sectional observation study

Age Category

Mean Age*

n (%)

TST positive

Prevalence

ARTI% (95% CI)

Age Category

     

5-9 yrs

8.3

325 (22)

91

28.0%

3.9% (3.1-4.7%)

10-14 yrs

12.8

488 (34)

207

42.4%

4.0% (3.2-5.0%)

15-17 yrs

16.7

344 (24)

174

50.6%

3.9% (2.9-5.0%)

18-22 yrs

19.6

294 (20)

173

58.8%

4.8% (4.0-5.8%)

Gender

     

Male

13.8

691 (48)

330

47.8%

4.6% (4.1-5.1%)

Female

14.3

760 (52)

315

41.4%

3.7% (3.3-4.1%)

TOTAL

14.1

1,451

645

44.5%

4.1% (3.8-4.4%)

  1. * The mean age reported here is the age used for the ARTI calculations, and is based on the mean age for the age category+0.5 years, as described in the methods section.
  2. Note: Participants who declined HIV testing were presumed to be HIV-uninfected and were included in the TB analysis
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BMC Infectious Diseases

ISSN: 1471-2334

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