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Performance characteristics of the new assay compared to the composite reference standard of either or both Qvarnstrom [7] and Riviere [6] assay positivity
| Primer Set | Positive (N) | Negative (N) | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|---|---|
| New primer set | 29 | 78 | 93.5% (95% CI 77.2–98.9%) | 100% (95% CI 94.0–100%) | 100 | 97.4 |
By either or both of Qvarnstrom and Riviere, 31 specimens were considered true positive, and 76 were considered true negative
