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 |