Technical factors of ERCP and the risk for postprocedural pancreatitis
| Pancreatitis | p Value | ||||
|---|---|---|---|---|---|
| + | − | ||||
| Duration of ERCP (min) | 33 | 26 | 0.0273-150 | ||
| Endoscopic papillotomy (EP) | |||||
| Precut | 4 | 17 | 0.12 | ||
| EP | 20 | 132 | 0.089 | ||
| EP to pancreatic duct | 4 | 11 | 0.0423-150 | ||
| Mean total volume of dye injected (ml) | |||||
| Into CBD | 37 | 35 | 0.42 | ||
| Into pancreatic duct | 4.5 | 6.5 | 0.97 | ||
| Mean total number of injections | |||||
| Into CBD | 4.0 | 4.5 | 0.27 | ||
| Into pancreatic duct | 2.0 | 2.2 | 0.70 | ||
| Contrast medium concentration | |||||
| Omnipaque 140 mg/ml | 25 | 195 | 0.083 | ||
| Omnipaque 240 mg/ml | 4 | 53. | 0.62 | ||
| Extraction of calculi | 4 | 35 | 0.77 | ||
| Stent placement and EP | 10 | 44 | 0.0123-150 | ||
| Common bile duct dilatation | 1 | 5 | 0.45 | ||
| Diagnostic procedure | 2 | 49 | 0.19 | ||
| Total no. of patients | 31 | 277 | |||
↵3-150 Significance difference, tested with Fisher’s exact test or with the Mann-Whitney U test.