TABLE 3.
WPV1 assay performance compared to the previous rRT-PCR assay, ITD 4.0 WPV1a
| Result for WPV1 ITD 5.0b | No. of isolates with expected result from WPV1 ITD 4.0 |
|
|---|---|---|
| Positive | Negative | |
| Positive | 130 | 3 |
| Negative | 0 | 334 |
Results from a total of 467 isolates are shown.
Sensitivity, 100%; specificity, 99.1%; positive predictive value, 97.7% (95% CI, 93.6 to 99.2%); negative predictive value, 100% (95% CI, 98.9 to 100%).