Table 1

Characteristics of patients who underwent ERCP

VariableN (%)
Age
 <40 years172 (20.6)
 40–70 years464 (55.6)
 >70 years199 (23.8)
Sex
 Female533 (63.8)
 Male302 (36.2)
Ethnicity
 Afro-Caribbean358 (42.9)
 African American305 (36.5)
 Hispanic79 (9.5)
 White38 (4.6)
 Asian27 (3.2)
 African12 (1.4)
 Middle Eastern10 (1.2)
 Unknown6 (0.7)
Comorbidities
 Diabetes mellitus306 (36.7)
 Chronic kidney disease38 (4.6)
Context
 Biliary obstruction878 (81.4)
 Suspected or known stone821 (76.1)
 Prior ERCP237 (22)
 Cholangitis123 (11.4)
 Active pancreatitis106 (9.8)
 Prior ERCP complication51 (4.7)
 Pancreatic duct abnormality42 (3.9)
 Postoperative bile leak33 (3.1)
 Ampullary abnormality9 (0.8)
 Pancreatic pseudocyst5 (0.46)
Procedural
 Biliary sphincterotomy653 (60.5)
 Biliary stone extraction543 (50.3)
 Antibiotics before the procedure461 (42.7)
 Biliary stent insertion191 (17.7)
 Small pancreatic-duct stent placed111 (10.3)
 Pancreatogram38 (3.5)
 Precut sphincterotomy36 (3.3)
 Pancreas divisum1 (0.09)
ASGE complexity score
 1168 (17.8)
 2564 (59.7)
 3173 (18.3)
 440 (4.2)
HOUSE complexity score
 1777 (75.6)
 2171 (16.6)
 379 (7.7)
  • ASGE, American Society for Gastrointestinal Endoscopy; ERCP, endoscopic retrograde cholangiopancreatography.