ERCP | North Tees ERCP study (n=146) | BSG audit 2004 (n=5264) | P statistical significance (p value) | BSG-recommended KPIs |
Overall CBD cannulation | 90.4% (132/146) | 86.5% (4554/5264) | 0.216 | N/A |
CBD cannulation in naïve papilla | 89.2% (107/120) | 83.6% (2684/3210) | 0.128 | >85% |
Stone clearance rate at first ERCP | 88.6% (62/70) | 62% (1318/2114) | 0.000001* | >75% |
Biliary stricture decompression | 91% (31/34) | 73% (1341/1827) | 0.017* | >80% |
Post-ERCP pancreatitis | 4.8% (7/146) | 1.5% (79/5264) | 0.008* | N/A |
Post-ERCP sphincterotomy bleed | 0.68% (1/146) | 1.5% (33/2260) | 0.71 | N/A |
Post-ERCP cholangitis | 0.68% (1/146) | 1.1% (59/5264) | 1 | N/A |
ERCP-related mortality | 0.68% (1/146) | 0.4% (21/5264) | 0.45 | N/A |
*"p" value of less than 0.05 was considered as statistically significant.
BSG, British Society of Gastroenterology; CBD, common bile duct; ERCP, endoscopic retrograde cholangiopancreatography; KPIs, key performance indicators; N/A, not applicable.