Table 2

KPIs and complications for ERCPs compared against BSG guidelines13 and 2004 BSG audit9

ERCPNorth Tees ERCP study (n=146)BSG audit 2004 (n=5264)P statistical significance (p value)BSG-recommended KPIs
Overall CBD cannulation90.4% (132/146)86.5% (4554/5264)0.216N/A
CBD cannulation in naïve papilla89.2% (107/120)83.6% (2684/3210)0.128>85%
Stone clearance rate at first ERCP88.6% (62/70)62% (1318/2114)0.000001*>75%
Biliary stricture decompression91% (31/34)73% (1341/1827)0.017*>80%
Post-ERCP pancreatitis4.8% (7/146)1.5% (79/5264)0.008*N/A
Post-ERCP sphincterotomy bleed0.68% (1/146)1.5% (33/2260)0.71N/A
Post-ERCP cholangitis0.68% (1/146)1.1% (59/5264)1N/A
ERCP-related mortality0.68% (1/146)0.4% (21/5264)0.45N/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.