Feasibility and histological analysis of multi-hole versus fully covered self-expandable metallic stents in a porcine model of hilar biliary obstruction.

9.0 [8.0–10.0], Cliff’s delta = 0.67, P = 0.200), suggesting a potential reduction in the risk of side branch occlusion and associated inflammation; however, this difference did not reach statistical significance (Table 2 ).

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