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Table 1 Inclusion criteria of RT-PCR negative patients. Data are described in the whole group and in the two subgroups COVID-19 and NOT-COVID defined at the end of the hospital stay by clinical judgment or further testing. Data are expressed as absolute frequencies and percentages (in brackets) for categorical variables and as medians and Interquartile Ranges [IQR]

From: The broad spectrum of COVID-like patients initially negative at RT-PCR testing: a cohort study

 

Overall Median [IQR] N (%)

COVID-19 Median [IQR] N (%)

COVID-free/other than COVID Median [IQR] N (%)

p

n

115

66

49

 

Epidemiological Criteria

   

0.074°

 No

65 (56.5)

42 (63.6)

23 (46.9)

 

 Yes

50 (43.5)

24 (36.4)

26 (53.1)

 

Epidemiological Criteria Specification

   

0.135§

 Contact to COVID-19

14 (12.2)

8 (12.1)

6 (12.2)

 

 Nursing home resident

19 (16.5)

8 (12.1)

11 (22.4)

 

 Repeated health care services users

(dialysis, day hospital)

12 (10.4)

4 (6.1)

8 (16.3)

 

 Health worker

5 (4.3)

4 (6.1)

1 (2.0)

 

 None

65 (56.5)

42 (63.6)

23 (46.9)

 

Clinical criteria

   

0.005§

 No

9 (7.8)

1 (1.5)

8 (16.3)

 

 Yes

106 (92.2)

65 (98.5)

41 (83.7)

 

Clinical criteria specification

 Cough, Dyspnoea

   

0.242°

  No

40 (34.8)

20 (30.3)

20 (40.8)

 

  Yes

75 (65.2)

46 (69.7)

29 (59.2)

 

 Fever

   

0.001°

  No

53 (46.1)

22 (33.3)

31 (63.3)

 

  Yes

62 (53.9)

44 (66.7)

18 (36.7)

 

 Hyposmia, Hypogeusia

   

0.392§

  No

110 (95.7)

62 (93.9)

48 (98.0)

 

  Yes

5 (4.3)

4 (6.1)

1 (2.0)

 

 Nausea, Vomiting, Diarrhoea

   

1.000§

  No

108 (93.9)

62 (93.9)

46 (93.9)

 

  Yes

7 (6.1)

4 (6.1)

3 (6.1)

 

 Respiratory failure

   

0.281°

  No

55 (47.8)

29 (43.9)

26 (54.2)

 

  Yes

59 (51.3)

37 (56.1)

22 (45.8)

 

 Number of symptoms

2.00 [1.00 - 2.00]

2.00 [1.00 - 3.00]

2.00 [1.00 - 2.00]

0.003#

Worsening of PO2/FiO2 without cause

   

1.000°

 No

63 (54.8)

36 (64.3)

27 (64.3)

 

 Yes

35 (30.4)

20 (35.7)

15 (35.7)

 
  1. Comparisons are made with: #Wilcoxon Rank Sum Test; °Chi-Square test; §Fisher’s Exact test