Skip to main content
. 2021 Mar 2;8:616106. doi: 10.3389/fmed.2021.616106

Table 3.

CAST SARS-CoV-2 IgM and IgG PPA by days post symptom onset in COVID-19 patients.

Time from symptom onset, daysa Positive /total samples tested PPA (%) 95% CI
0–7 8/22 36.4 19.6–57.1
8–14 15/21 76.2 54.5–89.8
≥15 20/23 87.0 67.0–96.3
a

Considering RT-PCR confirmed SARS-CoV-2 cases.

PPA, Positive Percent Agreement.