Table 1 Performance comparison of Veri-Q opti COVID-19 IgG and IgM ELISA (MiCo BioMed, Gyeonggi-do, Republic of Korea) with the two conventional ELISAs.
Veri-Q Opti COVID-19 ELISA | Positive | Negative | PPA% (95% CI) | NPA% (95% CI) | TPA% (95% CI) | Kappa (95% CI) |
|---|---|---|---|---|---|---|
IgG | SCoV-2 Detect IgG ELISAa | |||||
Positive | 66 | 4 | 97.1 (89.3–99.8) | 98.0 (94.8–99.4) | 97.8 (95.1–99.1) | 0.94 (0.90–0.99) |
Negative | 2 | 198 | ||||
Veri-Q COVID-19 IgG ELISAb | ||||||
Positive | 60 | 10 | 100 (92.8–100.0) | 95.2 (91.4–97.5) | 96.3 (93.2–98.1) | 0.90 (0.84–0.96) |
Negative | 0 | 200 | ||||
IgM | SCoV-2 Detect IgM ELISAa | |||||
Positive | 59 | 7 | 93.7 (84.3–98.0) | 96.6 (93.1–98.5) | 95.9 (92.8–97.8) | 0.89 (0.82–0.95) |
Negative | 4 | 200 | ||||
Veri-Q COVID-19 IgM ELISAb | ||||||
Positive | 29 | 37 | 100 (86.1–100.0) | 84.6 (79.5–88.7) | 86.3 (81.7–89.9) | 0.54 (0.42–0.66) |
Negative | 0 | 204 | ||||