Ann Clin Microbiol 2020;23:105-116. Evaluation of the AdvanSure TB/NTM Plus Real-Time PCR Assay for the Simultaneous Detection of Mycobacterium tuberculosis and Nontuberculous Mycobacteria from Clinical Specimens

Table 5. The performance of AdvanSure plus PCR, AdvanSure PCR assay, and AFB stain for detection of MTC/NTM compared with mycobacterial culture
Sensitivity % (No.) Specificity % (No.) PPV% NPV%
AdvanSure PCR
    MTC 100.0 (45/45) 83.8 (129/154*) 32.1 100.0
    NTM 64.0 (16/25) 95.4 (166/174)
AdvanSure Plus PCR
    MTC 100.0 (45/45) 83.8 (129/154*) 32.1 100.0
    NTM 68.0 (17/25) 90.2 (157/174)
    AFB staining 40.0 (28/70) 99.2 (128/129)

*Included negative culture samples (n=129) and NTM positive culture samples (n=25).
†Included MTC & NTM co-positive samples (n=3) by AdvanSure plus PCR.
‡Included negative culture samples (n=129) and MTC positive culture samples (n=45).
§Calculated using Korean tuberculosis prevalence of 0.0768%.
Abbreviation: MTC, M. tuberculosis complex; NTM, nontuberculous mycobacteria; AdvanSure PCR, AdvanSure TB/NTM real-time PCR; AdvanSure plus PCR, AdvanSure plus TB/NTM real-time PCR.