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Table 2 Rates of SARS-CoV-2-infection among healthcare workers at two New Jersey hospitals (Robert Wood Johnson University Hospital [RWJUH] and University Hospital Newark [UHN])

From: Prevalence of SARS-CoV-2 infection in previously undiagnosed health care workers in New Jersey, at the onset of the U.S. COVID-19 pandemic

Variable

# SARS-CoV-2 + / total n (%) 40/546 (7.3%)

# SARS-CoV-2 + / n at RWJUH (%) 10/290 (3.5%)

# SARS-CoV-2 + / n at UHN (%) 30/256 (11.7%)

Health care role

 Attending physician

2/112 (1.8%)

1/63 (1.6%)

1/49 (2.0%)

 Resident or fellow physician

3/98 (3.1%)

2/62 (3.2%)

1/36 (2.8%)

 Nurse

25/225 (11.1%)

7/123 (5.7%)

18/102 (17.7%)

 Other

10/111 (9.0%)

0/42 (0%)

10/69 (14.5%)

Primary unit1

 Emergency department

20/245 (8.2%)

8/132 (6.1%)

12/113 (10.6%)

 Medical floor

9/185 (4.9%)

5/103 (4.9%)

4/82 (4.9%)

 Operating room

13/134 (9.7%)

1/53 (1.9%)

12/81 (14.8%)

 Intensive care unit2

4/192 (2.2%)

1/111 (0.9%)

3/81 (3.7%)

 Designated COVID-19 unit

5/633 (7.9%)

1/28 (3.6%)

4/35 (11.4%)

 Other unit

14/255 (5.5%)

4/122 (3.3%)

10/133 (7.5%)

Estimated percentage of work-time spent in patients’ rooms

 < 25%

11/210 (5.2%)

1/115 (0.9%)

10/95 (10.5%)

 25–49%

7/117 (6.0%)

1/65 (1.5%)

6/52 (11.5%)

 50–74%

11/116 (9.5%)

6/66 (9.1%)

5/50 (10%)

 ≥ 75%

11/95 (11.6%)

2/39 (5.1%)

9/56 (16.1%)

 Missing

0/8 (0%)

0/5 (0%)

0/3 (0%)

Estimated percentage of patients for which PPE3 was used

 < 25%

4/87 (4.6%)

2/53 (3.8%)

2/34 (5.9%)

 25–49%

2/59 (3.5%)

1/32 (3.2%)

1/27 (3.7%)

 50–75%

4/61 (6.7%)

1/29 (3.5%)

3/32 (9.7%)

 75–99%

4/41 (9.8%)

2/17 (11.8%)

2/24/ (8.3%)

 100%

25/238 (10.5%)

4/128 (3.1%)

21/101 (10.1)

 Missing

1/60 (1.7%)

0/31 (0%)

1/29 (3.5%)

Average number of patients with suspected or confirmed COVID-19 per shift4

 0

6/148 (4.1%)

2/82 (2.4%)

4/66 (6.1%)

 > 0- < 5

9/162 (5.6%)

0/90 (0%)

9/72 (12.5%)

 ≥ 5

24/226 (10.6%)

8/113 (7.1%)

16/113 (14.2%)

 Missing

1/10 (10.0%)

0/5 (0%)

1/5 (20%)

  1. COVID-19 coronavirus disease-2019; PPE personal protective equipment; RWJUH Robert Wood Johnson University Hospital; SARS-CoV-2 severe acute respiratory syndrome coronavirus-2; UHN University Hospital Newark
  2. 1 Half (50.4%) of HCW, including 15 (37.5%) of those infected, reported more than one primary unit
  3. 2 Included medical, surgical, cardiac, neurocritical, pediatric, and neonatal intensive care units
  4. 3 Personal protective equipment referred to wearing gloves, gown, and a mask (surgical or N95)
  5. 4 Decimal places allowed in response