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Positive and Negative Predicted Value and Test Agreement of the Dot-Blot Assay with Characterized Seropositive and Seronegative Samples
| Days | PPV, % (95% CI) | NPV, % (95% CI) |
|---|---|---|
| <14 days | 94.4(72.7, 99.9) | 98.8(93.6, 100) |
| >14 days | 96.8(89.0, 100) | 100(96.3, 100) |
| Overall | 99.6(93.5, 100) | 99.0(94.5, 100) |
Abbreviations: PPV, positive predictive value; NPV, negative predictive value; 95% CI, 95% confidence interval.
