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The lower limit of detection (LLOD), upper limit of detection (ULOD), quality control (QC) sample range in arbitrary units (AU) and positive/negative cut-off for each SARS-CoV-2 antigen analysed.
| Antigen | LLOD (max.) (AU) | ULOD (min.) (AU) | QC sample range (AU) | Positive/ negative cut-off |
|---|---|---|---|---|
| CoV-2 S | 21.54 | NA | 1092−1478 | 21.5 |
| CoV-2 RBD | 18.37 | 125477 | 2176−2944 | 201.7 |
| CoV-2 N | 35.49 | NA | 3627−4907 | 185.4 |
| CoV-2 NTD | 10.00 | 19452 | 1004−1359 | 1924 |
