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Table 5 Targeted admissions to Covid-19 or other hospital wards

From: A retrospective cohort study of the effect of SARS-CoV-2 point of care rapid RT-PCR at the Emergency Department on targeted admission

 

Period 1

Period 2

Period 3

Total

n = 

% (95% CI)

n = 

% (95% CI)

n = 

% (95% CI)

n = 

% (95% CI)

Positive test at the ED (N = 257)

 All admissions

50

100 (92.9–100.0)

85

100 (95.7–100.0)

122

100 (96.9–100.0)

257

100 (98.5–100.0)

  Covid-19 ward

41

82.0 (69.2–90.2)

62

72.9 (62.7–81.2)

101

82.8 (75.1–88.5)

204

79.4 (74.0–83.9)

  Mixed Covid-19/internal medicine ward

6

12.0 (5.6–23.8)

17

20.0 (12.9–29.7)

17

13.9 (8.9–21.2)

40

15.6 (11.6–20.5)

  ICU

1

2.0 (0.1–10.5)

2

2.4 (0.4–8.2)

1

0.8 (0.04–4.5)

4

1.6 (0.6–3.9)

  Other

2

4.0 (0.7–13.5)

2

2.4 (0.4–8.2)

1

0.8 (0.04–4.5)

5

1.9 (0.8–4.5)

  Missing data

0

0.0 (0.0–7.7)

2

2.4 (0.4–8.2)

2

1.6 (0.29–5.8)

4

1.6 (0.6–3.9)

Negative test at the ED (N = 864)

 All admissions

255

100 (98.5–100.0)

308

100 (98.8–100.0)

301

100 (98.7–100.0)

864

100 (99.6–100.0)

  Covid-19 ward

88

34.5 (28.9–40.5)

91

29.5 (24.7–34.9)

44

14.7 (11.1–19.1)

223

25.8 (23–28.9)

  Mixed Covid-19/Internal Medicine ward

68

26.7 (21.6–32.4)

57

18.5 (14.6–23.2)

63

21.0 (16.8–26.0)

188

21.8 (19.2–24.7)

  ICU

9

3.5 (1.9–6.6)

4

1.3 (0.5–3.3)

5

1.7 (0.7–3.8)

18

2.1 (1.3–3.3)

  Other

84

32.9 (27.5–38.9)

144

46.8 (41.3–52.3)

180

59.8 (54.2–65.2)

408

47.2 (43.9–50.6)

  Missing data

6

2.4 (1.1–5)

12

3.9 (2.2–6.7)

9

3.0 (1.6–5.6)

27

3.1 (2.2–4.5)

Positive test before admission (N = 277)

 All admissions

41

100.0 (91.4–100.0)

89

100.0 (95.9–100.0)

147

100.0 (97.5–100.0)

277

100.0 (98.6–100.0)

  Covid-19 ward

35

85.4 (71.6–93.1)

73

82.0 (72.8–88.6)

128

87.1 (80.7–91.6)

236

85.2 (80.5–88.9)

  Mixed Covid-19/internal medicine ward

4

9.8 (3.9–22.5)

12

13.5 (7.9–22.1)

13

8.8 (5.2–14.5)

29

10.5 (7.4–14.6)

  ICU

0

0.0 (0.0–8.6)

0

0.0 (0.0–4.1)

0

0.0 (0.0–2.5)

0

0.0 (0.0–1.4)

  Other

1

2.4 (0.1–12.6)

2

2.2 (0.4–7.8)

2

1.4 (0.2–4.8)

5

1.8 (0.8–4.2)

  Missing data

1

2.4 (0.1–12.6)

2

2.2 (0.4–7.8)

4

2.7 (1.1–6.8)

7

2.5 (1.2–5.1)

Not tested (N = 89)

 All admissions

40

100 (91.2–100.0)

28

100 (87.9–100.0)

21

100 (84.5–100.0)

89

100 (95.9–100.0)

  Covid-19 ward

2

5.0 (0.9–16.5)

3

10.7 (3.7–27.2)

1

4.8 (0.2–22.7)

6

6.7 (3.1–13.9)

  Mixed Covid-19/internal medicine ward

8

20.0 (10.5–34.8)

5

17.9 (35.6–7.9)

5

23.8 (10.6–45.1)

18

20.2 (13.2–29.7)

  ICU

0

0.0 (0.0–8.8)

1

3.6 (0.2–17.7)

0

0.0 (0.0–15.5)

1

1.1 (0.1–6.1)

  Other

28

70.0 (54.6–81.9)

18

64.3 (45.8–79.3)

14

66.7 (45.4–82.8)

60

67.4 (57.1–76.3)

  Missing data

2

5.0 (0.9–16.5)

1

3.6 (0.2–17.7)

1

4.8 (0.2–22.7)

4

4.5 (1.8–11.0)

  1. Targeted admission of patients with positive test or suspect SARS-CoV-2 infection to a COVID-19 ward or other ward with infection prevention control (IPC) facilities did not change by the introduction of rapid point of care tests (Period 2: Rapid antigen detection test; Period 3: rapid RT-PCR VitaPCR) at the Emergency Department (ED). However, test-negative patients were increasingly admitted to appropriate specialized hospital wards (“Other”) during Period 2 and 3. Total number of participants in each period (N =) and in each subgroup (n =) are presented with percentage of N = and 95% confidence interval (CI)