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Table 3 Success rate of cannulation for different subtypes of type I cyst ducts

From: Classification of the cystic duct patterns and endoscopic transpapillary cannulation of the gallbladder to prevent post-ERCP cholecystitis

  Subtypes of I pattern P
Line α S
  α1 α2 S1 S2
Number of patients (N) 96 18 17 39 5  
Number of successful cannulation (N) 87 16 14 28 4 0.066
Success rate of cannulation (%) 90.6% 88.9% 82.4% 71.8% 80.0%