Risk factors

present in HBsAg positive

present in HBsAg negative

P value

Tattoo

4

78

0.001

Dental procedure

0

75

0.341

Sharing razor

0

42

0.92

H\O Blood transfusion

0

49

0.455

Multiple sexul partners

0

47

0465

H\O jaundice

1

74

0.766

H\O Surgical Procedure

1

43

0.383