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Evaluation of the TB antibody test in the detection of MTB in patients with TB.
| Group | n | Positive (n) | Negative (n) | Positive rate (%) | Specificity (%) | Sensitivity (%) | Negative predictive value (%) |
|---|---|---|---|---|---|---|---|
| Patients with TB | 20 | 3 | 17 | 15.0 | - | 15 | 87 |
| Non-TB patients | 16 | 2 | 14 | 12.5 | 87.5 | - | - |
TB, tuberculosis; MTB, Mycobacterium tuberculosis.
