Endoscopic papillary balloon intermittent dilatation and endoscopic sphincterotomy for bile duct stones

Table 6 Clinical factors and incidence of postoperative pancreatitis

Factor	Sample size	No pancreatitis	Sample size	Pancreatitis	OR	P value
Age	162	60.33 ± 16.17	14	64.29 ± 14.58	1.09	0.38
Sex					1.51	0.47
Male	74	45.68%	5	35.71%
Female	88	54.32%	9	64.29%
Papilla diverticulum					1.75	0.34
Yes	39	24.07%	5	35.71%
No	123	75.93%	9	64.29%
Papilla pre-cut					8.83	0.05
No	159	98.15%	12	85.71%
Yes	3	1.85%	2	14.29%
Performance of pancreatography					0.12	0.00
Yes	13	8.02%	6	42.86%
No	149	91.98%	8	57.14%
Stone removal method					4.05	0.03
EPBD	85	52.47%	3	21.43%
EST	77	47.53%	11	78.57%
Common bile duct diameter	162	12.64 ± 2.98	14	13.86 ± 2.98	2.53	0.15
Common bile duct stone number	162	2.09 ± 1.46	14	1.43 ± 0.85	0.46	0.10
Transverse diameter of stone	162	8.17 ± 2.45	14	8.29 ± 2.64	1.49	0.86

EPBID: Endoscopic papillary balloon intermittent dilatation; EST: Endoscopic sphincterotomy; OR: Odds ratio.