| COVID-19 negative | COVID-19 positive |
| Threshold | Threshold |
| 0.5 | 0.5 |
| 0.000005 | 0.999995 |
| 0.000003 | 0.999997 |
| 0.000002 | 0.999998 |
| 0.000001 | 0.999999 |
| Probability | Probability |
| 99.25% | 99.25% |
| 95.52% | 96.27% |
| 91.42% | 93.66% |
| 90.30% | 92.16% |
| 89.18% | 91.42% |