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Concordance table between LumiraDx tests and RT-PCR considering a Ct threshold of 30.
| LumiraDx SARS-CoV-2 Ag Ultra (5 min) versus RT-PCR (Ct 30) |
LumiraDx SARS-CoV-2 Ag (12 min) versus RT-PCR (Ct 30) |
|
|---|---|---|
| Sensitivity | 100% | 100% |
| Specificity | 98.4% | 99.4% |
| Positive predictive value | 80.8% | 91.3% |
| Negative predictive value | 100% | 100% |
Ct: cycle threshold; RT-PCR: reverse transcriptase polymerase chain reaction.
