Table 1.
Sensitivities and specificities of the assays used to test samples for antibodies to SARS-CoV-2.
Assay | Sensitivity (95% CI) | Specificity (95% CI) | Samples tested |
---|---|---|---|
Abbott | 95.5% (90.4%–98.3%) | 99.8% (98.8%–100.0%) | Antenatal |
DiaSorin | 87.5% (78.2%–93.8%) | 98.6% (97.0%–99.5%) | Primary care |
Roche | 92.3% (85.4%–96.6%) | 100% (98.7%–100.0%) | Antenatal |
Siemens | 98.5% (95.7%–99.7%) | 100% (98.4%–100.0%) | Antenatal |
SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; CI, confidence interval.