TABLE 4.
Sensitivity, specificity, and predictive values of AMTDII and AMPLICOR assays for extrapulmonary specimensa
| Method | % Sensitivity | % Specificity | Predictive value (%)
|
|
|---|---|---|---|---|
| Positive | Negative | |||
| Smear | 61.0 | 95.3 | 85.4 | 90.3 |
| Culture | 80.5 | 100 | 100 | 94.9 |
| AMTDII | ||||
| All specimens | 82.9 | 100 | 100 | 95.5 |
| Smear positive | 88.0 | 100 | 100 | 98.0 |
| Smear negative | 75.0 | 100 | 100 | 96.1 |
| AMPLICOR | ||||
| All specimens | 85.0 | 100 | 100 | 96.1 |
| Smear positive | 95.8 | 100 | 100 | 99.3 |
| Smear negative | 68.7 | 100 | 100 | 96.7 |
a
The combination of culture results and clinical diagnosis was considered the gold standard.