Skip to main content

Table 5 Comparison between TST and IGRA in 90 patients infected with HIV at risk of LTBI

From: Interferon-γ release assay as a sensitive diagnostic tool of latent tuberculosis infection in patients with HIV: a cross-sectional study

Test

Measure

Estimate

CI 95%

TST

Se

69.57

57.31

80.08

S

47.62

25.71

70.22

PPV

81.36

69.09

90.31

NPV

32.26

16.68

51.37

IGRA

Se

98.55

92.19

99.96

Es

66.67

43.03

85.41

PPV

90.67

81.71

96.16

NPV

93.33

68.05

99.83

  1. HIV Human Immunodeficiency virus, TST Tuberculin Skin Test, IGRA Interferon-γ release assay, CI confidence intervals, Se sensitivity, S specificity NPV, negative predictive value, PPV positive predictive value
Back to article page

BMC Infectious Diseases

ISSN: 1471-2334

Contact us