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Table 2 Study characteristics and results of studies on nursing homes

From: The role of routine SARS-CoV-2 screening of healthcare-workers in acute care hospitals in 2020: a systematic review and meta-analysis

First Author Study type Country Population description No. pos tested asymptomatic/sample size Setting (Level) Ward Period of data collection Mean Age of HCW Gender distribution (female in %)
Bayle et al. [60] Cohort France All asymptomatic or pauci-symptomatic nursing home employees 32/241 (13.3%) 8 8 16.–29.04.2020 39.9 83.8
Hassan et al. [61] Cohort Sweden Employees of five home care service companies 13/387 (3.3%) 8 9 11.05.–17.06.2020 43 52.6
McBee et al. [62] Cross-sectional USA Staff and residents of 123 nursing homes 31/13687 (0.2%) and 35/1,639 (2.1%) 8 0 21.04.–08.05.2020 N. A N. A
Van Buul et al. [63] Cross-sectional Netherlands HCW HCW 1/542 (0.002%) 8 0 04.–10.05.2020 45.7 91.3
  1. HCW  healthcare worker, N.A  not applicable, Level 1: Primary Care (Primary Care Physician, Family Physician or Public Health Clinic); Level 2: Specialty Physician Care (Specialist Physician); Level 3: Hospital Care (Acute Care General Hospital or Ambulatory Surgical Center); Level 4: Specialty Hospital Care (Specialty Acute Care Hospital)