Endoscopic papillary large balloon dilation for bile duct stones in elderly patients

Table 1 Patient background

	< 80 yr old (Group A)	≥80 yr old (Group B)	P-value
Number of patients	59	47
Male	36	20	NS
Female	23	27	NS
Choledocholith
Number of stones	5.24 ± 5.52 (1-30)	6.44 ± 6.98 (1-25)	NS
Stone diameter (mm)	14.03 ± 3.00 (10-28)	14.52 ± 4.48 (10-25)	NS
Common bile duct diameter (mm)	16.62 ± 3.52 (10-28)	17.44 ± 3.93 (10-25)	NS
Gallbladder
Calculous	43	34	NS
Acalculous	0	1	NS
Cholecystectomy	15	13	NS
Primary case	43	36	NS
Recurrence	17	10	NS
Endoscopic sphincterotomy	36	29	NS
Post endoscopic sphincterotomy	23	18	NS
Diverticulum	15	35	< 0.05
Hypertension	23	37	< 0.05
Hyperlipidemia	9	21	< 0.05
Diabetes mellitus	10	8	NS
Chronic respiratory disease	0	5	< 0.05
Cardiac disease	8	18	< 0.05
Chronic liver disease	1	0	NS
Chronic kidney disease	2	3	< 0.05
Anticoagulant/antiplatelet	9	23	< 0.05

NS: Not significant.