Diagnostic accuracy (primary outcome)
The prevalence of SARS-CoV-2 positive RT-PCR tests among participants included in the primary analysis was 39.2% (260/663, 95% CI 35.5% to 43.0%). The SD Biosensor POCT had a sensitivity of 84.0% (178/212, 95% CI 78.3% to 88.6%) and specificity of 98.5% (328/333, 96.5% to 99.5%), and the BD Veritor POCT had a sensitivity of 76.5% (127/166, 69.3% to 82.7%) and specificity of 98.8% (249/252, 96.6% to 99.8%) (