Table 2
Aetiology, sex, and outcome
Mild
Severe
Gallstones
45
17
Idiopathic
35
25
Alcohol
27
12
Drugs
11
4
Other
8
3
χ
2
test, p=0.459, df=4
Male
69
37
Female
57
23
χ
2
test, p=0.374, df=1