Table 4

Diagnostic validation of different tests using nested PCR as gold standard (all values are in percentage).

Diagnostic method

Sensitivity

Specificity

PPV

NPV


LYMPH GLAND TB

Anti-BCG

88

86

94

76

Anti-MPT64

93

98

99

85


ABDOMINAL TB

Anti-BCG

86

81

86

81

Anti-MPT64

89

95

96

87


TOTAL TB CASES

Anti-BCG

88

85

92

78

Anti-MPT64

92

97

98

85


PPV = positive predictive value, NPV = negative predictive value

Purohit et al. Diagnostic Pathology 2007 2:36   doi:10.1186/1746-1596-2-36

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