Table 1.

Types of surgical and interventional procedures carried out on the patients

Patients	Male	Female	Mean age (years)	Surgical procedure
n = 24	17	7	42	Cholecystectomy
n = 6	4	2	64	Major liver resection
n = 14	8	6	53	Orthotopic liver transplantation
n = 5	3	2	59	Pancreaticoduodenectomy
n = 20	13	7	41	Surgical treatment of traumatic bile tract injury
n = 16	9	7	44	Cystectomy
n = 5	3	2	49	Tube drainage
n = 9	4	5	48	Percutaneous drainage of hydatid cyst