“…ELISA using three recombinant protein antigens, MPB70, MPB83, and ESAT6, showed 69.5% sensitivity and 96% specificity in a previous study [ 20 ]. The ELISA sensitivities of PC (MPB83, MPB70, Rv2650c, Mb1498, SerS), DID38 (MPB70, MPB83), and DID65 (MPB70, PstS1, CFP10) were 90.5%, 85.1%, and 81.1%, respectively, and the specificities were 98.1%, 99.1%, and 98.2%, respectively, in a previous study [ 23 ]. In this study, for ELISA using the antigen combination 22-kDa MPB70 and 60-kDa SahH, the sensitivity was 94.4% and the specificity was 97.3% based on the S/N ratio criteria ( Table 2 ).…”