Table 2.

Results of SARS-CoV-2 antigen testing

Patients with history of COVID-19	15	13.6%
Positive SARS-CoV-2 IgG/IgM	10	9%
Negative SARS-CoV-2 IgG/IgM	100	91%
Median SARS-CoV-2 COI	113.5	(17.9–187)

Data are presented as n (%) or median (range of values). COI, cutoff index.