TABLE 7.
Serum sample source | No. of serum samples with the indicated result by the following test:
|
Sensitivity (%) of TB Screen Test % | Specificity (%) of TB Screen Test | ||||||
---|---|---|---|---|---|---|---|---|---|
Total | Results of KP-90 ELISA kit
|
Results of MycoDot LAM Test
|
Results of TB Screen Test
|
||||||
Positive | Negative | Positive | Negative | Positive | Negative | ||||
Patients with confirmed cases of TB | 152 | 108 | 44 | 117 | 35 | 143 | 9 | 94.4 | 100 |
Healthy humans (age, 15-45 yr) | 344 | 13 | 331 | 10 | 334 | 8 | 336 | 97.7 | |
BCG-vaccinated children (age, 5-12 yr) | 15 | 3 | 12 | 4 | 11 | 2 | 13 | 88.2 | |
Patients with leprosy (JALMA) | 60 | 14 | 46 | 12 | 48 | 8 | 52 | 88.2 | |
Patients with common infections | 27 | 4 | 23 | 4 | 23 | 2 | 25 | 93.1 | |
Total | 598 | 126 | 472 | 147 | 451 | 163 | 435 | 94.4 | 95.7 |
Sensitivity and specificity were calculated by consideration of samples with indeterminate results as negative. The samples with indeterminate results were retested within a month (41).