Table 4.
Serum antibodies detection results from the 539 pulmonary tuberculosis (TB) cases using bacteriological methods and the two kits
| Bacteriological methods | Trustline (IgG and IgM), n (%) | Trustline (IgG), n (%) | Aupu (IgG), n (%) | Total | |||
|---|---|---|---|---|---|---|---|
| Positive | Negative | Positive | Negative | Positive | Negative | ||
| Smear staining | |||||||
| Positive | 167 (75.6) | 54 (24.4) | 167 (75.6) | 54 (24.4) | 145 (65.6) | 76 (34.4) | 221 |
| Negative | 171 (53.8) | 147 (46.2) | 171 (53.8) | 147 (46.2) | 151 (47.5) | 167 (52.5) | 318 |
| Bacterial culture | |||||||
| Positive | 190 (76.6) | 58 (23.4) | 190 (76.6) | 58 (23.4) | 165 (66.5) | 83 (33.5) | 248 |
| Negative | 148 (50.9) | 143 (49.1) | 148 (50.9) | 143 (49.1) | 131 (45.0) | 160 (55.0) | 291 |
| Total of smear + culture | |||||||
| Positive | 239 (77.6) | 69 (22.4) | 239 (77.6) | 69 (22.4) | 209 (67.9) | 99 (32.1) | 308 |
| Negative | 99 (42.9) | 132 (57.1) | 96 (41.6) | 135 (58.4) | 87 (37.7) | 144 (62.3) | 231 |
The χ2 test was used to analyze the IgG antibody positive rate of the two kits compared with smear staining and bacterial culture, respectively, p < 0.05