Risk factor

Yes/No

HBV-DND Positive

HBV-DND Negative

Total

P-value

Marital status

Yes

16

23

39

0.193

No

16

12

28

Total

32

33

67

History of blood transfusion

Yes

0

2

2

0.170

No

32

33

65

Total

32

35

67

Alcohol intake

Yes

2

3

5

0.718

No

30

32

62

Total

32

35

67

Vaccination

Yes

1

31

32

0.169

No

4

31

35

Total

5

32

67

History of surgical operation

Yes

0

3

3

0.090

No

32

32

64

Total

32

35

67

History of jaundice

Yes

0

2

2

0.170

No

32

33

65

Total

32

35

67