TABLE 2.
Sensitivity, specificity, and predictive values of AMTDII and AMPLICOR assays for respiratory specimensa
| Method | % Sensitivity | % Specificity | Predictive value (%)
|
|
|---|---|---|---|---|
| Positive | Negative | |||
| Smear | 77.0 | 93.5 | 92.0 | 85.4 |
| Culture | 90.5 | 100 | 100 | 93.4 |
| AMTDII | ||||
| All specimens | 85.7 | 100 | 100 | 90.4 |
| Smear positive | 91.7 | 100 | 100 | 95.5 |
| Smear negative | 65.5 | 100 | 100 | 94.4 |
| AMPLICOR | ||||
| All specimens | 94.2 | 100 | 100 | 96.0 |
| Smear positive | 98.9 | 100 | 100 | 99.4 |
| Smear negative | 75.0 | 100 | 100 | 96.6 |
a
The combination of culture results and clinical diagnosis was considered the gold standard.