Table 4 Demographic data and risk factors of 91 COVID-19 home-isolated patients according to the onset of positivity of SARS-CoV-2 anti-S

Age categories

 < 30

10

83.3

0

0

2

16.7

12

0.051

 30–59

51

79.7

11

17.2

2

3.1

64

 60+

15

100

0

0

0

0

15

Sex

 Male

34

91.9

2

5.4

1

2.7

37

0.215

 Female

42

77.8

9

16.6

3

5.6

54

Occupation

 Not working

29

82.9

5

14.3

1

2.8

35

0.34

 Healthcare workers

27

87.1

4

12.9

0

0

31

 Non-healthcare workers

20

80

2

8

3

12

25

Symptoms

 Asymptomatic

1

33.3

1

33.3

1

33.3

3

1

 Symptomatic

75

83.4

11

12.2

4

4.4

90

Chronic diseases

 No

40

81.6

5

10.2

4

8.2

49

0.19

 Yes

36

85.7

6

14.3

0

0

42

Smoking

 Non-smoker

57

82.6

10

14.5

2

2.9

69

0.23

 Smoker

19

86.4

1

4.5

2

9.1

22

Contact with confirmed case

 No

33

91.7

3

83.3

0

0

36

0.16

 Yes

43

78.2

8

14.6

4

7.2

55

Confirmed household member

 No

61

88.4

6

8.7

2

2.9

69

0.08

 Yes

15

68.2

5

22.7

2

9.1

22

Chest scan

 No

7

63.6

1

9.1

3

27.3

11

0.06

 Normal

5

83.3

1

16.7

0

0

6

 Pneumonia

58

85.3

9

13.2

1

1.5

68

 Bronchitis

6

100

0

0

0

0

6

WBC count

 Less than 4000

33

82.5

4

10

3

7.5

40

0.53

 Normal (4000–11,000)

42

84

7

14

1

2

50

 More than 11,000

1

100

0

0

0

0

1

Hemoglobin level

 Anemic

27

90

2

6.7

1

3.3

30

0.82

 Non-anemic

49

80.3

9

14.8

3

4.9

61

Lymphocytic level

 Lymphopenia

0

0

0

0

0

0

0

0.6

 Normal

72

83.7

10

11.6

4

4.7

86

 Lymphocytosis

4

80

1

20

0

0

5