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Table 3 Sensitivity comparison of different testing methods for TB patients

From: Usefulness of interferon-γ release assay for the diagnosis of sputum smear-negative pulmonary and extra-pulmonary TB in Zhejiang Province, China

Methods

TB, n = 389

Extra-pulmonary TB, n = 113

 

Culture Positive, n = 120

Culture negative, n = 269

Total, n = 389

    
 

P

S (%)

P

S (%)

P

S (%)

P

S (%)

P

S (%)

TB-IGRA

109

90.8

241

89.6

350

90.0

99

87.6

449

89.4

TB-Ab

50

41.7

85

31.6

135

34.7

35

31.0

170

33.9

  1. P short for Positive cases, S short for Sensitivity