Table 2 Positivity rate of the Abbott rapid Ag kit for different RT-qPCR kits at different Ct value
PCR Kit (number of PCR positive samples) | Avg Ct value for PCR | Number of samples used | Sensitivity of the Abbott Ag kit (%) | 95% CI lower limit (%) | 95% CI upper limit (%) |
|---|---|---|---|---|---|
SeeGene Kit (n = 53) | < 25 | 22 | 77.3 | 54.2 | 91.3 |
26–30 | 14 | 7.1 | 0.4 | 35.8 | |
31–38 | 17 | 0 | 0 | 22.9 | |
TAQPATH Kit (n = 201) | < 25 | 118 | 81.4 | 72.9 | 87.7 |
26–30 | 75 | 18.7 | 10.9 | 29.7 | |
31–38 | 8 | 25 | 4.5 | 64.4 | |
Hybri-Bio Kit (n = 32) | < 25 | 18 | 88.9 | 63.9 | 98.1 |
26–30 | 5 | 60 | 17 | 92.7 | |
31–38 | 9 | 11.1 | 0.6 | 49 |