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Table 6 The sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of TST and IGRA having either test positive as the golden standard

From: Brazilian recommendations for the management of tuberculosis infection in immune-mediated inflammatory diseases

 

TST

IGRA

Sensitivity (%)

61 (95%CI: 58 a 64)

43 (95%CI: 41 a 46)

Specificity (%)

82 (95%CI: 81 a 83)

90 (95%CI: 89 a 91)

PPV

60

64

NPV

16

21

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Advances in Rheumatology

ISSN: 2523-3106