Table 1.
Serological indexes of the assays in the present study's samples different systems, using commercial assays defined samples.
| Influenza |
SARS-CoV 2 |
|||
|---|---|---|---|---|
| IgG | IgA | IgG | IgA | |
| Positive samples | 34 | 34 | 28 | 28 |
| Negative samples | 29 | 29 | 28 | 28 |
| Sensitivity (95% CI) | 0.967 (0.828 to 0.999) | 1 (0.880 to 1) | 1 (0.868 to 1) | 0.966 (0.822 to 0.999) |
| Specificity (95% CI) | 1 (0.894 to 1) | 1 (0.897 to 1) | 0.933 (0.779 to 0.992) | 1 (0.872 to 1) |
| Positive predictive value (95% CI) | 1 (0.881 to 1) | 1 (0.881 to 1 | 0.929 (0.765 to 0.991) | 1 (0.877 to 1) |
| Negative predictive value (95% CI) | 0.971 (0.847 to 0.999) | 1 (0.897 to 1) | 1 (0.877 to 1) | 0.964 (0.816 to 0.999) |