Table 1.

Patient’s characteristics n (%)

Age, mean ± SD, yr	50.5 ± 12
Sex, M/F	2/57
Symptoms
Biliary	47 (79.6)
Pancreatic	9 (15.2)
Biliopancreatic	3 (5)
Occurrence of painful episodes
Once a week	9 (15.8)
Once a month	20 (35.1)
Every 3 mo	9 (15.8)
Every 6 mo	3 (5.3)
Once a year	7 (12.3)
Dilatation of biliary or pancreatic ducts
(bile duct > 12 mm; pancreatic duct > 4 mm)
Main biliary duct dilatation	29 (49.1)
Main pancreatic duct dilatation	1 (1.7)
Milwaukee classification repartition
Type 1	11 (18.6)
Type 2	34 (57.6)
Type 3	14 (23.7)
Initial elevation of laboratory data	34 (57.6)
Lengthening of the isotopic transit time	32 (54.2)