Evaluation of diagnostic test procedures for SARS-CoV-2 using latent class models: comparison of antigen test kits and sampling for PCR testing based on Danish national data registries

no code implementations • 21 Dec 2021 • Jacob Stærk-Østergaard, Carsten Kirkeby, Lasse Engbo Christiansen, Michael Asger Andersen, Camilla Holten Møller, Marianne Voldstedlund, Matthew J. Denwood

We found that the specificity of both tests is very high in our data sample (>99. 7%), while the sensitivity of PCR sampling was estimated to be 95. 7% (95% CI: 92. 8-98. 4%) and that of the antigen test kits used in Denmark over the study period was estimated at 53. 8% (95% CI: 49. 8-57. 9%).

Specificity