Table 3.
β-CoV MMIA performance
| SARS-CoV-2 PCR Status/Archival Sera | ||||
|---|---|---|---|---|
| SARS-CoV-2 spike IgG Antibody Test | Positive1 | Negative | Total | |
| Positive | 149 | 0 | 149 | |
| Negative2 | 1 | 84 | 85 | |
| Total | 150 | 84 | 234 | |
| Sensitivity | ||||
| Specificity | ||||
| SARS-CoV-2 RBD IgG Antibody Test | Positive | Negative | Total | |
| Positive | 144 | 3 | 147 | |
| Negative | 6 | 81 | 87 | |
| Total | 150 | 84 | 234 | |
| Sensitivity | ||||
| Specificity | ||||
1
Performance analysis included serum samples from n= 116 PCR positive subjects including 62 outpatients, 54 hospitalized subjects and 34 JMS hospitalized subjects
2
Negative samples were drawn from the pre-2019 ARIC sera collection