Cases N = 164

(N & %)

Control N = 164

(N & %)

Odds ratio (95% CI)

χ²

P

Age (years) <33

Age (years) ≥33

138 (84.1)

26 (15.9)

112 (68.3)

52 (31.7)

2.46 (1.09 - 5.61)

5.69

0.017

Family history of GS

28 (17.1)

20 (12.2)

1.48 (0.57 - 3.89)

0.78

0.377

Hepatitis B, C

4 (2.4)

0 (0.0)

0.496

DM

8 (4.9)

0 (0.0)

0.12

History of GB disease

20 (12.2)

0 (0.0)

10.65

0.001

Est/prog use

92 (56.1)

44 (26.8)

3.48 (1.72 - 7.09)

14.47

<0.001

Hyperemesis gravidarum

56 (34.1)

52 (31.7)

1.12 (0.55 - 2.26)

0.11

0.739

No. of pregnancy <3

84 (51.2)

62 (37.8)

1.73 (0.89)

2.99

0.084