Clinical performance evaluation of the INCLIX TRF COVID-19 & Flu A/B Ag test using rRT-PCR results (unit: %)
| Performance | SARS-CoV-2 | Influenza A | Influenza B |
|---|---|---|---|
| Sensitivity (95% CI) | 90.91 (83.07–95.32) | 97.75 (92.17–99.38) | 93.00 (86.25–96.57) |
| Specificity (95% CI) | 100.00 (98.86–100.00) | 100.00 (98.81–100.00) | 100.00 (98.81–100.00) |
| PPV (95% CI) | 100.00 (95.42–100.00) | 100.00 (95.77–100.00) | 100.00 (96.03–100.00) |
| NPV (95% CI) | 97.56 (95.40–98.73) | 99.38 (97.76–99.83) | 97.78 (95.58–98.90) |
Abbreviations: COVID-19, coronavirus disease 2019; rRT-PCR, real-time reverse transcription-polymerase chain reaction; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; CI, confidence interval; PPV, positive predictive value; NPV, negative predictive value.