Prevention of post-endoscopic retrograde cholangiopancreatography pancreatitis by pancreatic duct stenting using a loop-tipped guidewire

Table 2 Procedures conducted

	Loop-type guidewire (Group A)	Straight-type guidewire (Group B)	P-value
P-GW	5	6	NS
P-GW + TPPP	15	14	NS
Endoscopic sphincterotomy	19	19	NS
Lithotomy	12	12	NS
Biliary stenting	7	7	NS
Intraductal ultrasonography	1	1	NS
Biopsy of the bile duct	1	1	NS
Pancreatic duct stenting	20	20	NS
Pancreatic duct injection	1.263 ± 0.562	1.286 ± 0.588	NS
	(1-3)	(1-3)
Cannulation time (min)	33.45 ± 9.72	34.9 ± 97.04	NS
	(16-50)	(16-50)
Procedure time (min)	44.2 ± 13.22	46.8 ± 14.03	NS
	(23-70)	(20-63)

TPPP: Transpancreatic precut papillotomy; NS: Not significant; P-GW: Guidewire-placing method.