Table 1 Demographic data of volunteers, a set of 82 healthcare workers from “Instituto de Infectologia Emilio Ribas”, São Paulo, Brazil.

From: Micro-Fourier-transform infrared reflectance spectroscopy as tool for probing IgG glycosylation in COVID-19 patients

Variable

Positive (\(n=33\))

Negative (\(n=49\))

p-value

Female

76.7%

72.1%

\(<5\)%

Male

23.3%

27.9%

\(<5\)%

Age

\(44\pm 14\)

\(49\pm 12\)

\(<5\)%

Comorbidities

39.4%

16.3%

45.4%

Body mass index (kg/m\(^{2}\))

\(25\pm 12\)

\(30\pm 12\)

\(<5\)%

  1. The list of comorbidities includes rheumatoid arthritis, asthma, diabetes, systemic arterial hypertension, chronic obstructive pulmonary disease, obesity, and hypothyroidism.