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. 2023 Mar 8;23:77. doi: 10.1186/s12890-023-02337-3

Table 3.

Diagnostic performance of nanopore sequencing assay, MGIT culture, and Xpert assay in PTB

PTB Non-PTB Sensitivity Specificity PPV NPV Coincidence Kappa
MGIT culture 48.28 65.38 60.87 53.13 56.36 0.14
 Positive 14 9
 Negative 15 17
Xpert 41.38 100 100 60.47 69.09 0.40
 Positive 12 0
 Negative 17 26
Nanopore sequencing assay 75.86 80.77 81.48 75.00 78.18 0.56
 Positive 22 5
 Negative 7 21

PTB pulmonary tuberculosis, Non-PTB non-pulmonary tuberculosis, PPV positive predictive value, NPV negative predictive value