From: Comparison of the efficacy and safety between palliative biliary stent placement and duct clearance among elderly patients with choledocholithiasis: a propensity score-matched analysis
Straight type
Pigtail type
p value
nā=ā18
nā=ā7
Stent migration, n (%)
4 (22.2%)
3 (42.9%)
0.64