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. 2021 Oct 26;7(11):1898–1907. doi: 10.1021/acscentsci.1c00948

Table 2. Sensitivity and Specificity of MagPlas ELISA Kits for EPTB Diagnosis.

  cutoff valuea (Abs@450 nm) AUC group (n = 197) positive results/total no. sensitivity, % specificity, %
TB CFP-1l0 kit 0.248 0.76 TB lymphadenitis (n = 36) 19/36 52.8  
non-TBLN (n = 161) 5/161   96.9
lymphadenitis (n = 25)
lymphoma (n = 14)
non-TB (n = 122)b
TB Ag85 kit 0.212 0.49 TB lymphadenitis (n = 36) 11/36 30.6  
non-TBLN (n = 161) 30/161   81.4
lymphadenitis (n = 25)
Lymphoma (n = 14)
non-TB (n = 122)b
a

Cutoff values of both kits were established on the maximum Youden index value in a tested patient’s groups.

b

The non-TB control data are identical to the result shown in Figure 3.