Table 3.
PCR results compared to the 87 sequenced samples. Positive was counted, if at least one PCR run (triplicate) was positive. PPV: positive predictive value, NPV: negative predictive value, FNR: false negative rate, FPR: false positive rate, ST: serologic test.
| 87 Sequenced Samples (Total Number of Test Runs: 261) | PCRs | |||
|---|---|---|---|---|
| kDNA | 18S rRNA | TCZ | NDO | |
| True positive | 174 | 3 | 40 | 180 |
| False positive | 51 | 0 | 0 | 0 |
| False negative | 21 | 192 | 155 | 15 |
| True negative | 15 | 66 | 66 | 66 |
| Sensitivity (%) | 89.23 | 1.53 | 20.51 | 92.31 |
| Specificity (%) | 22.73 | 100 | 100 | 100 |
| PPV (%) | 77.33 | 100 | 100 | 100 |
| NPV (%) | 41.67 | 25.58 | 29.86 | 81.48 |
| FNR (%) | 10.77 | 98.46 | 79.49 | 7.69 |
| FPR (%) | 77.27 | 0 | 0 | 0 |
| Accuracy (%) | 72.41 | 26.44 | 40.61 | 94.25 |