
Keywords: CI; confidence interval; DGW; double guidewire; EUS-BD; EUS-guided biliary drainage; EUS-HGS; EUS-guided hepaticogastrostomy; NKF; needle-knife fistulotomy; NKP; needle-knife papillotomy; OR; odds ratio; PEP; post-ERCP pancreatitis; PTBD; percutaneous tra