Table 1 Antibody status and COVID-19 rRT-PCR positivity correlation at baseline (first antibody)
Variable | Total 269 | COVID-19 PCR positive (32) | COVID-19 PCR negative (237) |
|---|---|---|---|
Number of patients with IgG antibody positive | 43 (16%) | 31 (96.9%) | 12 (5.1%) |
Time between Covid-19 PCR and 1st antibody level, days | 4 (1–17) | 22 (16–36) | 3 (−2 to 14) |