Table 1 Age-specific cross-sectional data for prevalence of Mtb bacillary positivity in sampled respiratory bioaerosol of individuals living in a high TB burden setting.

From: Quantification of tuberculosis exposure in a high-burdened setting

Age (mid-point)

Mtb aerosol positive

Sample number (n)

Prevalence

Lower CI

Upper CI

19.5

27

43

0.63

0.47

0.77

30

16

29

0.55

0.36

0.74

40

16

22

0.73

0.5

0.89

50

11

18

0.61

0.36

0.83

60

6

8

0.75

0.35

0.97

70

1

3

0.33

0.01

0.91

  1. 135 participants were sampled of whom 123 produced an evaluable sample (not obscured by debris). 37.7% of those with a positive Mtb aerosol were also QuantiFERON positive. Complete data available at https://github.com/BenjaminPatterson1/HealthySampling.
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