N-acetylcysteine does not prevent post-endoscopic retrograde cholangiopancreatography hyperamylasemia and acute pancreatitis

Table 6 Summary of the results of forward selection multiple logistic-regression analysis with development of post-ERCP acute pancreatitis as the outcome variable

Variable1	Odds ratio	95% Cl	P
Precut (no precut vs precut)	0.108	0.026-0.456	0.003
Sex (F vs M)	7.432	0.841-65.689	0.071

¹ Other variables that were examined but did not enter the model including N-acetylcysteine treatment, multiple cannulations, bile duct diameter < 8 mm, injection of contrast into pancreatic duct, failed procedure and age.