Background and aims
Abbreviations:AEs (adverse events), ARMS (anti-reflux metallic stent), CBD (common bile duct), CI (confidence intervals), ENBD (endoscopic nasobiliary drainage), ES (endoscopic sphincterotomy), HR (hazard ratios), MDBO (malignant distal biliary obstruction), PEP (post-endoscopic retrograde cholangiopancreatography pancreatitis), PS (performance status), PSM (a propensity-score matched), RBO (recurrent biliary obstruction), SEMS (self-expandable metallic stent), TRBO (time to recurrent biliary obstruction), UDCA (ursodeoxycholic acid)
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Publication stageIn Press Journal Pre-Proof
Conflicts of interest: The authors disclose no conflicts
Clinical Trial Registration: UMIN000046862.