TABLE 3.
Assay | Result | No. with indicated result among:
|
Sensitivity (%) | Specificity (%) | Predictive values (%)
|
||
---|---|---|---|---|---|---|---|
Clinically suspected TBM cases (24 cases) | Negative control group (35 samples) | Positive | Negative | ||||
M. tuberculosis culture | + | 8 | 0 | 33.3 | 100 | 100 | 68.6 |
− | 16 | 35 | |||||
Single-PCR assay | + | 5 | 0 | 20.8 | 100 | 100 | 64.8 |
− | 19 | 35 | |||||
Nested-PCR assay | + | 22 | 0 | 91.7 | 100 | 100 | 94.6 |
− | 2 | 35 | |||||
OR-QNRT-PCR assay | + | 23 | 0 | 95.8 | 100 | 100 | 97.2 |
− | 1 | 35 | |||||
WR-QNRT-PCR assay | + | 23 | 0 | 95.8 | 100 | 100 | 97.2 |
− | 1 | 35 |