Table 2.
MFI threshold cutoffs for SARS-CoV-2 positive IgG
| MMIA variation | antigen | 99.7% (ARIC) | ROC (EPICC) |
|---|---|---|---|
| β-CoV | spike | 4910 | 4853 |
| RBD | 4666 | 4622 | |
| SARS-2/HCoV | spike | 4774 | 4144 |
| SARS-2 spike/NP | NP | 6649 | 6372 |
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