TABLE 3.
Comparison of anti-TBGL antibody levels in patients with smear-negative active pulmonary tuberculosis and other respiratory diseases
| Group | All patients (n) | Anti-TBGL antibody
|
||
|---|---|---|---|---|
| Positivea
|
Titer (mean ± SD) | |||
| n | Rate (%) | |||
| Smear-negative active pulmonary tuberculosis | 154 | 111 | 72.1 | 6.9 ± 11.9 |
| Other respiratory diseases | ||||
| COPDc | 61 | 9 | 14.8 | 0.8 ± 0.1b |
| Neoplasma | 55 | 7 | 12.7 | 1.1 ± 0.2b |
| Pulmonary fibrosis | 21 | 5 | 23.8 | 2.1 ± 0.5b |
| Other infectious disease | 40 | 5 | 12.5 | 1.6 ± 0.2b |
| Sarcoidosis | 3 | 1 | 33.0 | 1.3 ± 1.3b |
a
Cutoff value was set at 2.0 U/ml.
b
Significantly different from the value for smear-negative active pulmonary tuberculosis (P < 0.01).
c
Chronic obstructive pulmonary disease.