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Table 1 Baseline characteristics

From: Risk factors for adverse events associated with endoscopic retrograde cholangiopancreatography in patients with surgically altered anatomy: a retrospective study

Patients, n 93
Age, mean (SD), years 66.3 (± 12.0)
Sex (male/female), n 68/25
Prior cholecystectomy, n (%) 27 (29.0)
Reconstruction method, n (%)
Billroth-I gastrectomy 8 (8.6)
Billroth-II gastrectomy 66 (71.0)
Roux-en-Y gastrectomy 3 (3.2)
Hepaticojejunostomy with Roux-en-Y 3 (3.2)
Pancreaticoduodenectomy 13 (14.0)
Indications for ERCP, n (%)
Choledocholithiasis 74 (61.2)
Hepatolithiasis 10 (8.3)
Pancreatolithiasis 4 (3.3)
Benign biliary obstruction 5 (4.1)
Malignant biliary obstruction 23(19.0)
Anastomotic stenosis 5 (4.1)
Presence of diverticulum, n (%) 14 (15.1)
Presence of native papilla, n (%) 78 (83.9)
With a transparent hood, n (%) 78 (64.5)
  1. ERCP: Endoscopic retrograde cholangiopancreatography