Table 2.

Association between 25 and 50 mg dose of rectal diclofenac and post-ERCP pancreatitis

	OR	(95% CI)	p Value
Post-ERCP pancreatitis
Univariate	0.37	(0.17 to 0.80)	0.018
Multivariate
Model 1	0.31	(0.13 to 0.75)	0.009
Model 2	0.27	(0.11 to 0.70)	0.007

ORs were calculated for the 50 mg group referring to the 25 mg group.

Model 1: Adjusted for sex, age and BMI.

Model 2: Adjusted for sex, age, BMI, type of operator, difficult cannulation and procedures for pancreatic duct.

BMI, body mass index; ERCP, endoscopic retrograde cholangiopancreatography.