Table 3.
Overall Sensitivity, specificity, and predictive value of rapid antigen test compared with qRT-PCR (N = 1364).
Measurements | % | [95 % Conf. Inter.] |
|
---|---|---|---|
Lower | Upper | ||
Sensitivity | 33.3 % | 31.0 % | 36.0 % |
Specificity | 99.3 % | 98.8 % | 99.7 % |
Positive predictive value | 91.0 % | 89.5 % | 92.5 % |
Negative predictive value | 87.4 % | 85.6 % | 89.1 % |
Prevalence | 17.7 % | 15.7 % | 19.8 % |