Comparative analysis of endoscopic precut conventional and needle knife sphincterotomy

Table 2 Comparison of the efficacy and complication rates of pre-cut conventional sphincterotomy and pre-cut needle knife procedures

Procedure	PNK (n = 84)	PCS (n = 59)	P value
Two-step access	41	5	< 0.0001
Efficacy	84	57	0.58
Amylase level (after 4 h)
> 80 U/L	41	23	0.32
> 240 U/L	19	11	0.71
Pancreatic pain (after 24 h)	13	7	0.71
PEP	4	2	0.98
“Endoscopic” bleeding	10	8	0.97
Endoscopic homeostasis	10	7	0.79
Perforation	0	0	-

PEP: Post endoscopic pancreatitis; PCS: Pre-cut conventional sphincterotomy; PNK : Pre-cut needle knife.