Performance characteristics of the FebriDx test in patients with confirmed fever and/or ongoing respiratory symptoms
| FebriDx result | All patients with PCR | ||
| COVID-19 positive/PCR detected | COVID-19 negative/PCR not detected | Total | |
| Bacterial | 2 | 21 | 23 |
| Viral | 16 | 5 | 21 |
| Negative | 12 | 29 | 41 |
| N=30 | N=55 | N=85 | |
| Sensitivity | 53% (95% CI 37% to 100%) | ||
| Specificity | 91% (95% CI 82% to 100%) | ||
| Positive predictive value | 76% (95% CI 56% to 100%) | ||
| Negative predictive value | 78% (95% CI 68% to 100%) | ||