Long-term results of choledochoduodenostomy in benign biliary obstruction

Table 1 Final diagnosis in patients¹ (n = 270)

No.	Presentation	Male		Female		Total
		n	% age	n	% age	n	% age
1	Calculus group	41	15.18	92	34.07	133	49.26
2	OCH group	39	14.44	42	15.55	81	30.00
3	B.B. Strictures/ligatures2	9	03.33	17	06.29	26	09.63
4	Others	10	03.70	20	07.40	30	11.11
	Total	99	36.66	171	63.33	270	100

¹More findings than one were present in many cases;

²This group also includes cases of ampullary stenosis.