Endoscopic papillary large balloon dilation vs endoscopic sphincterotomy for retrieval of common bile duct stones: A meta-analysis

Table 4 Sensitivity analysis of primary pooled outcome in the randomized controlled trials

Items	Adjusted pooled outcome of RCTs with article excluded
	Heterogeneity I2 (P)	P value	RR or Peto OR (95%CI)
Complete stone removal rate	0% (0.70)	0.63	1.01 (0.97-1.06)
Complete ductal clearance in one session	58% (0.07)	0.37	1.06 (0.93-1.22)
Requirement of EML	27% (0.25)	0.007a	0.64 (0. 46-0.89)
Overall adverse events	0% (1.00)	0.24	0.69 (0.37-1.29)
Post-ERCP pancreatitis	0% (0.93)	0.61	0.80 (0.35-1.86)
hemorrhage	35% (0.22)	0.68	0.69 (0.12-4.01)
perforation	0% (0.99)	0.09	0.14 (0.01-1.40)
Acute cholangitis	0% (0.70)	0.72	0.72 (0.12-4.20)

^aSignificant difference (P < 0.05). RCT: Randomized controlled trial; EML: Endoscopic mechanical lithotripsy; ERCP: Endoscopic retrograde cholangiopancreatography.