Table 4.
Characteristics of seven TB patients with discordant results (Standard E TB-Feron ELISA (positive) and QuantiFERON-TB Gold Plus assay (negative)).
| No. | Age (year)/Sex | Diagnosis of TB | Treated with Immunosuppressive Drugs | Underlying Disease | Standard E TB-Feron ELISA | |
|---|---|---|---|---|---|---|
| TB–nil (IU/mL) | Result | |||||
| 1 | 53/M | Pulmonary TB | No | None | 0.78 | Positive |
| 2 | 49/F | Pulmonary TB | No | None | 0.42 | Positive |
| 3 | 76/M | Pulmonary TB | No | CKD, DM, HTN | 10 | Positive |
| 4 | 63/M | Pulmonary TB | No | None | 0.43 | Positive |
| 5 | 76/M | Pulmonary TB | No | HTN | 5.83 | Positive |
| 6 | 76/M | TB abscess on Rt. humerus | Yes (Tacrolimus) | DM, HTN, KT | 1.17 | Positive |
| 7 | 61/M | Pulmonary TB | No | DM, Hyperlipidemia | 0.79 | Positive |
M, male; F, female; TB, tuberculosis; CKD, chronic kidney disease; DM, diabetes mellitus; HTN, hypertension; KT, kidney transplantation.