Diagnostic and Therapeutic Endoscopy / 2014 / Article / Tab 3

Research Article

Factors Significantly Contributing to a Failed Conventional Endoscopic Stone Clearance in Patients with “Difficult” Choledecholithiasis: A Single-Center Experience

Table 3

Univariate analyses of contributing factors to failed endoscopic stone extraction.

  SE value
Failed 
205 (%)
Difficult successful 221 (%)

Age0.028
85167 (51.2)159 (48.8)
8538 (38.0)62 (62.0)
Periampullary diverticula0.016
 No121 (43.7)156 (56.3)
 Yes84 (56.4)65 (43.6)
Multiple stones0.046
 No69 (56.1)54 (43.9)
 Yes136 (44.9)167 (55.1)
Diameter of CBD stones0.012
15 mm113 (54.6)94 (45.4)
15 mm92 (42.0)127 (58.0)
Presence of T-tube in situ + proximal lithiasisNS
 No180 (47.1)202 (52.9)
 Yes25 (56.8)19 (43.2)
Iatrogenic injury to the extrahepatic biliary tree + lithiasisNS
 No194 (47.7)213 (52.3)
 Yes11 (57.9)8 (42.1)
Intrahepatic stonesNS
 No197 (48.6)208 (51.4)
 Yes8 (38.1%)13 (61.9)
Previous gastrojejunostomyNS
 No199 (48.7)210 (51.3)
 Yes6 (35.3)11 (64.7)
Acute distal CBD (common bile duct) angulationNS
 No198 (48.2)213 (51.8)
 Yes7 (46.7)8 (53.3)
Impacted stoneNS
 No160 (49.2)165 (50.8)
 Yes45 (44.6)56 (55.4)