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Table 1 Baseline characteristics

From: Wire-guided cannulation over a pancreatic stent versus double guidewire technique in patients with difficult biliary cannulation

  WGC-PS (n = 90) DGT (n = 87) P value
Sex (male/female) 49/41 44/43 0.653
Age (mean ± SD) 54.2 ± 16.4 57.3 ± 16.7 0.221
Periampullary diverticulum, n (%) 32 (35.6) 33 (37.9) 0.758
Cholecystectomy, n (%) 11 (12.2) 11 (12.6) 1.000
Indication for ERCP    0.174
CBD stone, n (%) 69 (76.7) 71 (81.6)  
Malignant biliary stricture, n (%) 15 (16.7) 16 (18.4)  
Benign biliary stricture, n (%) 3 (3.3) 0  
Bile leak, n (%) 3 (3.3) 0  
Pancreatic duct stent, n (%) 90 (100) 49 (56.3) <0.001
  1. WGC-PS wire-guided cannulation over a pancreatic stent, DGT double guidewire technique, SD standard deviation, ERCP endoscopic retrograde cholangiopancreatography, CBD common bile duct