Comparison between endoscopic sphincterotomy vs endoscopic sphincterotomy associated with balloon dilation for removal of bile duct stones: A systematic review and meta-analysis based on randomized controlled trials

Table 3 Frequency of outcomes based on systematic review

	Sphincterotomy	Sphincterotomy associated with balloon dilation	P
Stone removal rate	773/837 (92.3%)	786/837 (93.9%)	0.10
Stone removal rate with stones greater than 15 mm	218/240 (90.8%)	228/244 (93.4%)	0.14
Pancreatitis	48/891 (5.3%)	40/911 (4.4%)	0.16
Bleeding	31/891 (3.4%)	18/911 (1.9%)	0.02
Cholangitis	7/891 (0.78%)	7/911 (0.76%)	0.48
Perforation	5/911 (0.54%)	0/891 (0)	0.08
Use of mechanical lithotripsy	262/910 (28.8%)	105/914 (11.5%)	< 0.00001
Use of mechanical lithotripsy with stones greater than 15 mm	115/218 (52.7%)	54/214 (25.2%)	< 0.00001