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Table 1 Overall seroprevalence and seroconversion among healthcare workers

From: Longitudinal assessment of SARS-CoV-2 IgG seroconversionamong front-line healthcare workers during the first wave of the Covid-19 pandemic at a tertiary-care hospital in Chile

Variables Overall seroprevalence 3-month seroconversion
  n % 95% CI n % 95% CI
Total 446 24.0 20.2–28.3 374 17.1 13.5–21.4
Gender
 Female 324 25.9 21.3–31.1 268 18.6 14.3–24.0
 Male 122 18.9 12.6–27.2 106 13.2 7.7–21.5
Age groups (years)
 20–34 174 27.6 22.3–34.9 138 21.0 14.7–28.9
 35–49 201 22.4 17.1–29.2 172 15.1 10.3–21.6
 50–65 67 20.9 13.2–31.8 60 15.0 7.5–27.1
 > 65 4 0 0.0–49.0 4 0 0.0–49.0
Work place
 High risk 412 24.3 20.2–29.1 345 17.9 14.1–22.5
 Intensive care unit 88 21.6 14.3–31.2 75 14.6 7.6–24.3
 Stepdown unit 90 32.2 23.4–41.8 71 25.3 15.9–36.8
 Medical ward 103 29.1 21.3–39.1 81 24.7 17.2–34.9
 Emergency department 118 16.1 11.2–24.6 109 11.9 6.8–19.9
 Low risk 34 20.6 10.1–37.2 29 6.9 1.2–24.2
Profession
 Physician 163 22.1 16.2–29.3 145 16.6 11.3–23.1
 Respiratory Therapist 24 16.7 7.4–35.1 23 17.4 7.5–37.3
 Nurse 139 28.8 22.5–37.6 117 19.7 13.2–28.9
 Technician/paramedic 115 23.5 17.2–32.7 85 15.3 9.5–24.6
 Administrative worker 5 0 0.0–43.5 4 0 0.0–49.0