Fig. 1From: Comparison of efficacy and complications of endoscopic and percutaneous biliary drainage in malignant obstructive jaundice: a systematic review and meta-analysisFlow Diagram. The enrolled studies represent a total of 3 RCTs and 11 retrospective studies, and encompass 2246 patients with PTBD and 8100 patients with EBD. After quality assessment, all studies were interpreted as high-quality studies. The characteristics of the studies are depicted in Table 1 Back to article page