Risk factor

Yes/No

Frequency (%)

Chi-Square

Sex

Male

Female

31 (73.8)

11 (26.2)

0.201

Age group

1 - 20

21 - 40

41 - 60

61 - 80

1 (2.4)

11 (26.2)

22 (52.4)

8 (19)

0.588

Marital status

Married

Single

9 (21.4)

33 (78.6)

0.503

History of blood transfusion

Yes

No

32 (76.2)

10 (23.8)

0.084

Alcohol intake

Yes

No

5 (11.9)

37 (88.1)

1.000

No vaccination

Yes

No

12 (28.6)

30 (71.4)

0.035

History of surgical operation

Yes

No

18 (42.9)

24 (57.1)

0.473

History of jaundice

Yes

No

14 (33.3)

28 (66.7)

0.322