Table 6.
Comparison of EZ-SARS-CoV-2 RT-PCR assay (EZ) results with results for 201 NP samples provided by other testing laboratories
| ABI 7500 | Originating lab positive | Originating lab negative | QuantStudio 5 | Originating lab positive | Originating lab negative |
|---|---|---|---|---|---|
| EZ positive | 96 | 6 | EZ positive | 94 | 6 |
| EZ negative | 4 | 95 | EZ negative | 6 | 95 |
| Diagnostic sensitivity | 96.00 (92.16–99.84) | Diagnostic sensitivity | 94.00 (89.35–98.65) | ||
| Diagnostic specificity | 94.06 (89.45–98.67) | Diagnostic specificity | 94.06 (89.45–98.67) | ||
| Positive predictive value | 94.12 (89.55–98.68) | Positive predictive value | 94.00 (89.35–98.65) | ||
| Negative predictive value | 95.96 (92.08–99.84) | Negative predictive value | 94.06 (89.45–98.67) | ||
| Kappa | 0.93 (0.89–0.97) | Kappa | 0.92 (0.88–0.96) | ||
Results determined on the ABI 7500 platform are on the left and results determined by the QuantStudio 5 platform are on the right. Estimates are followed by 95% confidence interval in parentheses