Table 2.
Positivity rate of each assay according to the delay from onset of symptoms.
| Days from symptom onset (N) |
DiaSorin Liaison® |
bioMérieux Vidas® |
Siemens Atellica® |
Wantai | Abbott Architect |
Roche Elecsys |
BioRad Platelia |
Epitope Diagnostics EDI™ |
|---|---|---|---|---|---|---|---|---|
| ≤ 15 (16) | 56.3 % | 81.3 % | 73.3 % | 100 % | 62.5 % | 68.8 % | 80 % | 81.3 % |
| 16 – 20 (21) | 71.4 % | 90.5 % | 81% | 95 % | 95.2 % | 85.7 % | 90.5 % | 100 % |
| > 20 (45) | 77.8 % | 90.7 % | 88.6 % | 97.6 % | 95.6 % | 88.9 % | 86.7 % | 95.3 % |
Percentage of antibody detection was expressed for each assay according to the delay expressed in days from symptom onset.