Effect of precut sphincterotomy on post-endoscopic retrograde cholangiopancreatography pancreatitis: A systematic review and meta-analysis

Table 7 Summary of non-randomized studies

Study (lead author/year)	Country	Publication type	Mean age	Females	Pre cut application	n	Pancreatitis		P
							EP Std methods
Giussani et al[17], 2008	Italy	Abstract	N/A	N/A	< 10 cannulation attempts	804	8.3%	11.6%	NS
Testoni et al[18], 2010	Italy	Article	N/A	50.20%	< 10 cannulation attempts	308	7.6%	15.4%	NS
Xinopoulos et al[19], 2009	N/A	Abstract	N/A	N/A	N/A	134	8.3%	8.5%	NS
Madacsy et al[20], 2009	Hungary	Article	57	91%	10 min of failed cannulation or 5 pancreatic duct cannulation	57	0%	42.8%	< 0.05
Ayoubi et al[21], 2009	Italy	Abstract	68.6 (median)	58.9%	Immediate precut	173	1.1%	5.8%	NS
De La Mora-Levy et al[22], 2011	Mexico	Abstract	N/A	N/A	Immediate precut	68	10.3%	10.2%	NS
Testoni et al[23], 2011	Italy	Article	N/A	49.7%	< 10 cannulation attempts	2004	3.3%	14.3%	< 0.05

N/A: Data not available; NS: Non significant; EP: Early pre cut; Std: Standard method of cannulation.