Table 1. Patient characteristics, previous operations, follow-up and complications.

Age (years)	Sex	Todani classification	Previous operation	Length of follow-up (months)	Complications	Cholangitis	Re-operation
30	M	Type I		111		+
49	F	Type I	Partial cyst excision and cystduodenostomy	101
20	M	Type I		51	Subphrenic abscess
19	F	Typel	Partial cyst excision and cystduodenostomy	51		+	+
23	F	Type I		44
36	F	Type I	Cholecystectomy	40
32	F	Type I	Cystduodenostomy and cholecystectomy	37	Mild pancreatitis
18	F	Type I		35	Bile leak
23	F	Type I	Cystduodenostomy and cholecystectomy	33		+	+
31	M	Type I	Negative exploratory laparotomy for right upper quadrant pain	29	Bile leak
19	F	Type I		27
31	F	Type I	Transduodenal sphincteroplasty and cholecystectomy	23
21	F	Type I		21
18	M	Type IVa	Cystduodenostomy	105		+
31	F	Type IVa		90
31	F	Type IVa		51		+