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Table 1 Study characteristics and results of included studies

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 %)
Abdelmoniem et al. [23] Cross-sectional Egypt HCW (nurses, physicians, patient transporters, cleaners, radiologists, administrative staff) 29/203 (14.3%) 3 3 01.–14.06.2020 31.9 49
Al-Zoubi et al. [24] Cohort Jordan HCW (nurses, physicians, other staff) 0/370 (0%) 4 0 18.03.–29.04.2020 32.02 33
Armin et al. [25] Cross-sectional Iran HCW, office workers, hospital service workers 25/475 (5.3%) 3 0 20.04. 05.05.2020 N. A 80
Brown et al. [26] Cross-sectional UK HCW of six hospitals (medical and non-medical staff) 23/1152 (2.0%) 0 0 24.04.–07.05.2020 39 (median) 70
Campbell et al. [27] Cohort USA HCW 16/525 (3%) 3 0 N. A N. A N. A
Cavicchiolo et al. [28] Cohort Italy HCW 3/112 (2.7%) 4 1 21.02.–21.04.2020 N. A N. A
Demmer et al. [29] Cohort USA HCW 0/488 (0%) 3–4 6 20.04.–24.06.2020 41 84.2
Dillner et al. [30] Cohort Sweden HCW 235/9449 (11.8%) 4 6 23.04.–24.06.2020 N. A 79.3
Fakhim et al. [31] Cross-sectional Iran HCW 14/102 (13.7%) 3–4 0 20.02.–15.03.2020 N. A 67.6
Favara et al. [32] Cohort UK Patient-facing HCW (nurses, doctors, other patient-facing staff) 0/70 (0%) 3 2 01.–07.06.2020 42 56.6
Ferreira et al. [33] Cross-sectional Canada HCW (nurses, physicians, allied health professionals) Cohort 1: 9/1669 (0.54%)
Cohort 2: 20/4107 (0.49%)
3 0 17.04.–29.05.2020 N. A N. A
Fusco et al. [34] Cross-sectional Italy HCW (nurses, physicians, other staff) 2/115 (1.7%) 4 5 23.03.–02.04.2020 43 48.7
Guery et al. [35] Cross-sectional France HCW 3/136 (2.2) 4 2 16.–19.04.2020 39 (median) 82
Halbrook et al. [36] Cohort USA frontline HCW and first responders of County Fire Department 10/1787 (0.6%) of all
4/1108 (0.4%) of HCW
4 0 08.04.–31.08.2020 N. A 64
Handal et al. [37] Cross-sectional Norway HCW 12/360 (3.3%) 4 4 11.05.–11.06.2020 N. A 76.4
Hellewell et al. [38] Cohort UK HCW 15/200 (7.5%) 4 0 26.03.–05.05.2020 N. A N. A
Hidayat et al. [39] Cross-sectional Indonesia HCW and other staff from an university hospital 83/742 (11.1%) 4 6 19. -23.06.2020 N. A 66.9
Horton et al. [40] Cross-sectional USA HCW 4/5826 (0.09%) 4 0 22.04.–02.06.2020 N. A N. A
Huang et al. [41] Cross-sectional USA HCW (clinical staff, administrative staff, food services workers, environmental services) 0/1394 (0%) 4 0 01.04.–15.06.2020 N. A N. A
Jameson et al. [42] Cohort USA HCW (respiratory therapists, providers, nurses, patient care assistants) 0/121 (0%) 3–4 6 N. A N. A N. A
Johnson et al. [43] Cohort USA HCW from four hospitals 1/439 (0.2%) 3–4 6 21.05.–16.07.2020 N. A N. A
Kantele et al. [44] Cross-sectional Finland HCW 36/1095 (3.3%) 4 6 22.04.2020 38 (median) 82.7
Kassem et al. [45] Cross-sectional Egypt HCW at gastroenterological service 9/74 (12.2%) 4 2 01.–14.04.2020   59.5
Lahner et al. [46] Cross-sectional Italy Health Workers 58/2057 (2.7%) 3 0 18.03.–27.04.2020 45.2 60.2
Lai et al. [47] Case series China HCW 3/335 (0.9) 4 6 01.01.–09.02.2020   73.6
Lombardi et al. [48] Cross-sectional Italy HCW 41/1093(3.7%) 4 6 24.02.–31.03.2020 44.5 64.2
Martin et al. [49] Cross-sectional Belgium HCW 31/270(11.5%) 4 4 N. A 37 73
Mohanty et al. [50] Cross-sectional USA HCW and patients 64/1670 (3.8%) in total; 33/912 HCW 0 0 02.04.–30.06.2020 42.5 48.6
Moncunill et al. [51] Cohort Spain HCW 25/501 (5.0%) 3–4 6 27.04. 06.05.2020 42 71.7
Moolla et al. [52] Cohort South Africa HCW (nurses, administrative staff, doctors, general assistants) 12/799(8.3%) 0 0 01.05.–31.05.2020 39.7 77.4
Olalla et al. [53] Cross-sectional Spain HCW (doctors, nurses, nursing assistants, security guards, administrative and cleaning staff) 2/498 (0.4%) 3 6 15.–25.04.2020 41.5 80
Olmos et al. [54] Cross-sectional Chile HCW 14/414 (3.4%) 3 6 01.05.–01.07.2020 33 76
Oster et al. [55] Cohort Israel HCW (medical, nursing, paramedical, administrative staff) 5/4897 (0.1%) 4 6 23.03.–11.05.2020 N. A N. A
Rivett et al. [15] Cross-sectional UK HCW 31/1032 (3%) 4 6 06.–24.04.2020 34 71
Stock et al. [56] Cross-sectional USA HCW (adult clinician) 8/98 (8.2%) 4 6 04.–20.04.2020 37.6 50
Temkin [57] Cross-sectional Israel HCW 1/522 (0.2%) 3 4 30.04.–07.05.2020 39.33 63.98
Treibel et al. [58] Cohort UK HCW (doctors, nurses, allied health professionals, administrators, and others) 53/1479 (3.6%) 3 0 23.–31.03.2020 N. A N. A
Vahidy et al. [59] Cross-sectional USA HCW (Covid-Facing, Non Covid-Facing, Non-Clinical) 112/2787 (4%) 3–4 0 N. A 40.68 73
Zhou et al. [12] Cross-sectional China HCW (doctors, nurses, administrative staff, clinical support staff) 28/3674 (0.76%) 4 0 16.–25.03.2020 N. A 67.7
  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)