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Table 1 Clinical features of symptomatic and asymptomatic COVID-19 patients

From: Atypical presentations of coronavirus disease 2019 (COVID-19) from onset to readmission

Features

Symptomatic (n=69)

Asymptomatic (n=10)

P-value

Sex

  

0.962a

 Male#

38(55.1%)

6(60.0%)

 

 Female#

31(44.9%)

4(40.0%)

 

Age

42.2±13.9

38.8±17.1

0.484b

Course of disease

2.51±2.63

2.40±2.37

0.903b

Clinical type

  

0.001c*

 Mild#

6(8.7%)

5(50.0%)

 

 Moderate#

56(81.2%)

5(50.0%)

 

 Severe#

7(10.1%)

0(0.0%)

 

Re-detectable of RNA after discharged

 

1.00a

 Negative#

63(91.3%)

9(90.0%)

 

 Positive#

6(8.70%)

1(10.0%)

 

Hospitalization days

16.6±6.71

12.0±5.85

0.043b*

Days of last RNA negative-conversion

13.0±6.56

10.4±5.93

0.237b

Days of last RNA negative-conversion category

 

0.319c

 < 7 days#

9(13.0%)

1(10.0%)

 

 7 days~ 14 days#

35(50.7%)

8(80.0%)

 

 14 days~ 21 days#

22(31.9%)

0(0.0%)

 

 > 21 days#

3(4.4%)

1(10.0%)

 

WBC count (×109/L)

5.51±2.50

4.95±1.90

0.502b

Lymphocyte count

1.30±0.87

1.37±0.39

0.813b

Lymphocyte rate (%)

24.4±11.2

30.7±11.7

0.100b

Neutrophil count(×109/L)

3.70±2.27

3.15±1.89

0.469b

Neutrophil rate (%)

65.0±14.8

60.2±11.6

0.328b

  1. Note: *Data with statistical significance. #Results are measurements with corresponding ratio in parentheses, and the remainder results are mean value with standard deviation. Pa: chi square test, Pb: student’s t test, Pc: Kruskal-Wallis H test, WBC White blood cell