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Table 3 Characteristic of asymptomatic (n= 13) patients positive for COVID-19 RT-PCR compared to asymptomatic (n=10) patients negative for COVID-19 RT-PCR

From: COVID-19 screening before gastrointestinal procedures

 

Asymptomatic COVID-19 PCR-positive (n=13)

Asymptomatic COVID-19 PCR-negative (n=10)

Test

p value

Age

Mean

55.07

39.2

T = 2.35

0.028

±SD

15.5

16.7

Sex

Male

8

61.5%

2

20%

X2 = 3.9

0.046

Female

5

38.5%

8

80%

Procedure

Urgent

3

23.1%

1

10%

X2 = 2.26

0.322

Semi-urgent

5

38.5%

2

20%

Elective

5

38.5%

7

70%

DM

No

9

69.2%

8

80%

X2 = 0.34

0.560

Yes

4

30.8%

2

20%

HTN

No

13

100%

9

90%

X2 = 1.35

0.244

Yes

0

0%

1

10%

Lymphopenia

No

11

84.6%

8

80%

X2 = 0.084

0.772

Yes

2

15.4%

2

20%

CRP

Negative

13

100%

10

100%

------

-------

Positive

0

0%

0

0%

COVID-19 IgM only

Negative

11

84.6%

8

80%

X2 = 0.83

0.772

Positive

2

15.4%

2

20%

COVID-19 IgM and IgG

Negative

2

15.4%

10

100%

X2 = 16.2

< 0.001

Positive

11

84.6%

0

0%

COVID-19 IgG only

Negative

13

100%

2

20%

X2 = 15.9

< 0.001

Positive

0

0%

8

80%

  1. DM diabetes mellitus, HTN hypertension, CRP C-reactive protein